Phentermine Doses and Dosage - Phentermine.com (2022)

Daily phentermine dosage ranges from 4mg to 37.5mg in most parts of the world, but a few countries allow patients to take up to 40mg per day. The medication is sold as tablets, capsules and extended-release capsules.

While most patients take one of the six standard phentermine doses, precise phentermine dosage instructions vary based on individual needs and preferences. Your doctor will give you exact dosing instructions at your initial appointment.

Dose vs. Dosage
The terms “phentermine dose” and “phentermine dosage” are often used interchangeably, but they’re not the same. Dose refers specifically to the amount of medication taken at one time, while dosage describes the prescribed regimen (i.e. total number doses & frequency) over a unit of time, such as one day ( 1 ).

What Determines Phentermine Dosage?

Phentermine Doses and Dosage - Phentermine.com (1)

Phentermine dosage is based on weight loss goals, age, lifestyle and existing medical conditions, among other factors.

Phentermine Doses and Dosage - Phentermine.com (2)
Phentermine Doses and Dosage - Phentermine.com (3)

Doctors are directed to prescribe the lowest effective dose of a medication. However, it is quite typical for patients to start-off with the highest dose of phentermine: 37.5 mg per day. This may be related to the fact that phentermine is only intended as a short-term treatment for obesity, and many doctors & patients feel that taking the maximum dose of phentermine per day will help maximize results.

A doctor or patient’s preference for tablets versus capsules may also play into determining phentermine dosage. Tablets are only available in 8mg and 37.5mg doses, while 15mg, 30mg and 37.5mg doses come as capsules ( 2 ).

Dosage of Phentermine

Phentermine Doses and Dosage - Phentermine.com (4)

Daily phentermine dosage varies widely from patient-to-patient, but the phentermine dosage chart below details some of the most common prescriptions for this medication* ( 2 , 3 ):

DoseTabletCapsuleDosage
8 mg1-3 times per day, 30 minutes before meals
15 mg1-2 times per day, 2 hours after eating
18.75 mg**1-2 times per day, on an empty stomach
30 mgOnce per day, before breakfast or 1-2 hours after breakfast
37.5 mgOnce per day, before breakfast or 1-2 hours after breakfast

* Based on availability in the USA. ** An 18.75 mg dose can also be achieved in tablet form by splitting a phentermine 37.5 mg tablet in half.

Still, phentermine dosage depends heavily on a patient’s needs, health and preferences, as well as physicians’ habits. So, only a doctor can determine what dose is best for you.

Phentermine 8 mg

Phentermine Doses and Dosage - Phentermine.com (5)

Eight milligrams (8 mg) is the lowest-available dose of phentermine. It is not sold as a generic medication, but instead marketed under the brand name Lomaira.

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Lomaira is ideal for patients who battle afternoon and evening cravings, or who struggle with snacking, since the three doses give patients regular boosts of phentermine throughout the day ( 4 ). It’s also a promising option for patients who experience strong side effects while taking higher doses of phentermine.

Breaking 8mg tablets also allows highly-sensitive patients to take just 4 mg of phentermine at a time ( 3 ).

However, not everyone prefers Lomaira. These butterfly-shaped tablets are typically taken three times per day, which is not always convenient, especially for people with busy schedules or irregular mealtimes. More, the low dose of phentermine is not affordable for every patient and some people find the lack of a generic option cost-prohibitive.

Phentermine 15 mg

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Phentermine 15mg is the lowest-available dose of generic phentermine. It is ideal for patients that are:

  • New to phentermine
  • Sensitive to stimulants
  • Interested in taking phentermine 2x per day
  • Weaning off phentermine

Lower dose pills contain less phentermine HCL per capsule, so they do not produce as strong of a biological response. This means they that they don’t suppress appetite or boost energy as much as higher-dose options. However, it also means that they usually cause fewer side effects, which ideal for patients that need help losing weight but do not need (or tolerate) a higher dose.

Some doctors choose to start patients on phentermine 15mg and then only increase daily dosage if necessary. Some also prescribe 15mg to patients at the end of their weight loss journey to help minimize the risk of unpleasant withdrawal symptoms.

More, phentermine 15mg can either be taken once or twice a day ( 5 ).

For people that struggle with afternoon and nighttime snacking, a single morning dose doesn’t always suffice because the medication wears off before their most problematic time of day. So, phentermine 15mg – which can be taken first thing in the morning and then again midday – is an appealing option.

Phentermine 18.75 mg

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Phentermine 18.75 mg is a mid-dose of phentermine. It is not available as an individual unit in the US, but many American patients take this dose by splitting phentermine 37.5 mg tablets in half.

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This is an affordable, lower-dose option, so phentermine 18.75 mg is popular for new patients, those coming to the end of their treatment (tapering) and individuals who struggle with strong side effects when taking a full dose.

Other patients split their 37.5 mg tablet in half and take the first half early in the morning and the second half around lunchtime. Taking phentermine 18.75 mg two times per day spreads the medication’s effects out throughout the day and give patients the appetite suppression and energy boost they need to control afternoon and evening snacking.

Phentermine 30 mg

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Phentermine 30 mg is the second-highest dose of phentermine. It is sold as a generic capsule and should be taken once a day, about two hours after breakfast ( 2 ).

Phentermine 30 mg capsules are unique because they are formulated as extended-release capsules. These pills are designed to prolong the medication’s appetite-suppressing & energy-boosting effects for up to 12-14 hours a day.

Some patients also to achieve a daily phentermine dosage of 30 mg by taking two 15 mg capsules: one in the morning and one in the early afternoon. These split doses are particularly beneficial for people that struggle with afternoon and evening cravings ( 5 ).

Phentermine 37.5 mg

Phentermine Doses and Dosage - Phentermine.com (9)
(Video) Phentermine: I lost 35lbs in 2 weeks!!!

Phentermine 37.5 mg is the most commonly-prescribed dose due to its widespread availability, high effectiveness, relative affordability and overall convenience. It is also the highest dose of phentermine available in most countries, including the US, Mexico, Argentina and Chile.

Read more here: Phentermine 37.5 mg

Highest Dose of Phentermine

The maximum dose of phentermine per day is 37.5 milligrams in the United States and South America. However, doctors in Australia, New Zealand and South Africa can prescribe Duromine: a phentermine-resin based capsule that comes in doses as high as 40 mg ( 6 ).

If you think that phentermine is not working properly, speak with your doctor. DO NOT increase the dose on your own, and never exceed the phentermine maximum dosage of 37.5 mg per day.Taking too much phentermine may worsen adverse side effects and can precipitate a potentially-fatal overdose.

Read more here: Phentermine Overdose

Low Dose Phentermine

Eight milligrams (8 mg) is the lowest dose of phentermine sold in pharmacies, and it is only sold as the brand name tablet Lomaira. Phentermine 15 mg is the lowest dose of phentermine available as a generic. For patients willing to split tablets at home, Lomaira is scored and can be easily split into two even-smaller 4 mg tablets.

Benefits of low dose phentermine include:

  • Fewer unwanted side effects
  • Feeling less “wired” or shaky
  • Greater ability to spread small doses out throughout the day
  • Improved control of evening snacking/eating habits

Phentermine Dosage FAQs

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Does a higher phentermine dosage mean faster weight loss?

Many people think that a higher phentermine dosage will help them to achieve better results and lose weight faster, but unfortunately it is not always that simple.

Due to biological and behavioral differences between patients, a higher dose of phentermine does not always translate into better results. While some individuals benefit from a higher dose, others will only experience an increase in unpleasant side effects.

On the flip side, most people enjoy fewer side effects while taking a lower dose of phentermine, but a less potent pill may not provide enough appetite suppression and added energy to successfully achieve lifestyle change in some people.

Can you take phentermine twice a day?

Yes, some patients take low dose phentermine twice a day in accordance with their prescribing physician’s instructions.

People that struggle with snacking sometimes take phentermine 15 mg twice a day. This is permissible because 15 mg + 15 mg = 30 mg, which is less than the phentermine maximum dosage of 37.5 mg per day.

Instead of prescribing lower dose pills, some doctors ask patients to break phentermine tablets in half instead. This is especially common with phentermine 37.5 mg (Adipex-P and generic) tablets, which come pre-scored to facilitate accurate splitting into two, smaller 18.75 mg pills.

Can you take 37.5 mg of phentermine twice a day?

No, never take phentermine 37.5 twice a day.

The phentermine maximum dosage is 37.5 milligrams per day, so taking either of these pills twice a day far-exceeds the recommended upper limit for this medication. A daily phentermine dosage of 75 mg is NOT safe. More, extra medication does not improve results and can prove dangerous. At best, taking too much phentermine aggravates unwanted side effects; at worst, taking too much of this stimulant can lead to a potentially-fatal overdose.

What should I do if I miss a dose of phentermine?

If you miss a dose of phentermine, take it as soon as you remember. However, if it is almost time for the next dose (or within 6 hours of your regular bedtime), skip the missed dose and take the next dose at your regular time. NEVER take a double dose of phentermine ( 2 ).

References

(Video) My Experience With Phentermine: The Truth

  1. AMA Manual of Style. (2018, July 02). Correct and Preferred Usage of Common Words and Phrases.
  2. Mayo Foundation for Medical Education and Research [MFMER]. (2018). Drugs and supplements: Phentermine (Oral Route).
  3. KVK Tech. (2018). What is Lomaira™?
  4. Drugs.com. (2018, September 25). Phentermine: Drug Uses, Dosage & Side Effects.
  5. Apotheca Inc. (2016, June). Phentermine HCL 30 mg.
  6. Healthdirect. (2019, March 01). Duromine.

Phentermine 15mg is the lowest-available dose of generic phentermine. Click here to learn who takes it, when/how to take it and browse real user reviews!

Phentermine weight loss pills are available in a wide variety of doses: all the way from 8mg (the lowest) to 37.5mg (the highest in the US).. Dosing recommendations state that physicians should always prescribe the lowest effective dose of phentermine, so some doctors start their patients on 15mg to test if this lower dose produces the desired results.. If it works, it’s advantageous to use a lesser dose of phentermine since it carries a lower risk of unwanted side effects or withdrawal symptoms.. Phentermine 15mg is the lowest-available dose of generic phentermine .. Like with all phentermine prescriptions, you should work with your doctor to determine the best dose for you.. Phentermine 15mg is popular among new users because some doctors prefer to start their patients on a lower dose and then only increase the daily dosage if necessary.. The active ingredient is phentermine hydrochloride (phentermine HCL), included as a phentermine HCL resin complex.. Depending on your medical history, other medications , existing conditions, and weight loss goals , phentermine 15mg may be taken once or twice daily.. If you are only supposed to take phentermine 15mg once daily, do NOT increase your dose (or take two doses per day) without talking to a medical professional first.. Different people have different tolerances to medication, so it’s important for your health and safety that a doctor examine you and consider your other conditions and medication before increasing your daily phentermine dosage.. Phentermine 15mg is a well-established, relatively popular dose of the standard weight loss medication, but does it actually work?. 👩 Heather “Yesterday morning, my doctor prescribed me Phentermine 15mg capsules and spironolactone, a diuretic for my PCOS… I’m excited because I’ve heard good things about Phen, and I’ve been trying to diet for a while now, changing my eating habits, being a little more active, and using the Lose It app, so I’m really hoping it will help!. One example of an outstanding success story with phentermine 15mg is our newest Phentermine Ambassador, Greta.. It can take a few days to feel the pills’ appetite suppressing and energy boosting effects, but if you still aren’t losing weight at your one-month checkup, don’t be shy about asking your doctor to increase the dose.

Phentermine is an appetite suppressant that is available by many brand names, it is often available with Topiramate for weight loss which is being sold as Qsymia. Phentermine resembles amphetamine structurally which has an evoking type of effect on a person. 

Whoever thinks Phentermine is the key to weight loss is partially right but there is a big secret about Phentermine that most people don’t know.. Over the counter phentermine, on the other hand, covers those secrets by allowing users to experience similar benefits without struggling with phentermine side effects.. You could choose anything from Over-the-Counter Phentermine, PhenQ is top of all safe and effective OTC Phentermine alternatives.. Based on several reviews, OTC or Over Counter Phentermine are helpful to manage overweight which is also the safest form of Phentermine drug.. Unlike Phentermine for weight loss, legal OTC weight loss supplements have less or no risk of side effects which makes them better than weight loss drugs.. As brief research to Over-the-counter phentermine results testimonials we dig deeper and found some unheard reviews stating the right Over the Counter Phentermine before and after results.. Nancy, 33 years old from Canada endorsed the use of Natural Alternative to Phentermine like Over the Counter Phentermine and she posted this:. After using Phentermine, Chris almost started to eat less because of the undeniable effects of Phentermine.. Phentermine vs Over the Counter Phentermine results for weight loss are hugely different because of the different approaches.. The alternative supplements to phentermine shouldn’t have any traces of drugs or synthetic versions of compounds i.e phentermine HCL, and Topiramate which is available in OTC phentermine at Walmart.. Each Over the Counter Phentermine supplement is packed with anything comparable to phentermine but are they clinically safe?. Side Effects Does Phentermine Have and OTC Phentermine Don’t Have?

Considering phentermine? Learn about the brands, history, benefits, side effects, interactions, mechanism of action and more.

Phentermine is most commonly prescribed to patients who experience negative health effects to excessive amounts of body weight.. Doctors used it to help patients who experience certain health issues caused by obesity to lose weight and improve the symptoms they are experiencing.. Taking Phentermine depends on the brand and preparation of the drug.. Taking more than the prescribed amount of Phentermine can lead to an overdose, which means if a patient misses a dose, they should never try to make up for it by taking more than the prescribed amount at the next dose.. As with many other prescription drugs, Phentermine can also interact with certain medications.. In some cases, the use of this drug in combination with other pills may cause the effects of other drugs to increase.. Doctors often prescribe a dose of 5-HTP and vitamin B12 with a Phentermine prescription in order to enhance its effects and to relieve some side effects.. While this drug may sound like a “wonder pill”, patients should ensure they know are familiar with the precautions, interactions, side effects and other important details before they start taking it.

Includes Phentermine indications, dosage/administration, pharmacology, mechanism/onset/duration of action, half-life, dosage forms, interactions, warnings, adverse reactions, off-label uses and more.

phentermine 30 mg phentermine 15 mg phentermine 37.5 mg phentermine 37.5 mg phentermine 30 mg phentermine 30 mg. If these agents must be used together, patients should be monitored closely for excessive amphetamine effects.. Do not administer these drugs until at least 7 days after each iobenguane dose.. Do not administer these drugs until at least 7 days after each iobenguane dose.. Specifically, the risk for seizures may be increased.. Specifically, the risk for seizures may be increased.. Specifically, the risk for seizures may be increased.. Seizure disorders: Avoid or use with caution in patients with history of seizures (Apovian 2015).. Concurrent drug therapy issues:

  Phentermine is without doubt one of the best weight reduction drugs as a result...

Phentermine is without doubt one of the best weight reduction drugs as a result of it successfully suppresses the person’s urge for food.. What should shoppers know earlier than utilizing Phentermine for weight reduction functions ?. Phentermine As Weight-Loss Help A number of managed research have been carried out, concerning the usage of Phentermine as a weight reduction complement.. Phentermine Makes use of Phentermine is primarily utilized for weight reduction functions.. Phentermine is commonly given to individuals affected by weight problems and different weight-related points.. Doable Phentermine Facet Results When the affected person is taking Phentermine or one other weight reduction remedy, they need to concentrate on potential unwanted side effects.. Phentermine is an efficient weight reduction answer when utilized alone.

Drug information provided by: IBM Micromedex

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines.. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur.. Using this medicine with any of the following medicines is not recommended.. Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases.. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

Medscape - Obesity dosing for Adipex P, Lomaira (phentermine), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information.

epinephrine and phentermine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate.. serdexmethylphenidate/dexmethylphenidate and phentermine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate.. droxidopa Monitor Closely (1) phentermine and droxidopa both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate.. ozanimod Serious - Use Alternative (1) ozanimod increases toxicity of phentermine by sympathetic (adrenergic) effects, including increased blood pressure and heart rate.. pseudoephedrine Monitor Closely (1) phentermine and pseudoephedrine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate.. serdexmethylphenidate/dexmethylphenidate and phentermine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate.. solriamfetol Monitor Closely (1) phentermine and solriamfetol both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate.. DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects.

Phentermine is a prescription drug that is used for weight loss. 

Phentermine is a prescription drug that is used for weight loss.. The possibility of serious side effects increases with longer use of this medication and use of this drug along with certain other diet drugs.. Many people using this medication do not have serious side effects.. Phentermine is an appetite suppressant that is used together with diet and exercise to treat obesity in people who have high blood pressure, high cholesterol, or diabetes.. Weight loss drugs such as phentermine can cause hair loss as a side effect.. The book includes information about the new pharmacotherapy available for the treatment of obesity.

Includes Phentermine and Topiramate indications, dosage/administration, pharmacology, mechanism/onset/duration of action, half-life, dosage forms, interactions, warnings, adverse reactions, off-label uses and more.

Amphetamines: Carbonic Anhydrase Inhibitors may decrease the excretion of Amphetamines.. Anticholinergic Agents: May enhance the adverse/toxic effect of Topiramate.. Management: Consider reduced doses of other CNS depressants, and avoiding such drugs in patients at high risk of buprenorphine overuse/self-injection.. Close monitoring for CNS depressant effects is necessary.. Monitor for decreased therapeutic effects of methenamine if used concomitant with a carbonic anhydrase inhibitor.

by Vivian Okirie, MD on August 12, 2022

Phentermine is a schedule IV medication (only available by prescription) frequently used for generalized weight loss by acting as an appetite suppressant.. Originally, phentermine resin was utilized, and this was followed by phentermine hydrochloride in the 1970s.. If you later develop these medical conditions after beginning phentermine treatment, it is extremely important that you notify your primary care provider immediately to avoid any adverse reactions.. To avoid unintended insomnia, phentermine should be consumed early in the day; this is why most instructions advice medication being taken 1-2 hours before breakfast or 4-6 hours before bedtime.. Due to the stimulant effects of phentermine, discuss with your primary care provider about your desire to stop phentermine treatment appropriately; otherwise, withdrawal symptoms might ensue.. Within 1 month of starting phentermine, users should be scheduled to return back to see their primary care provider for effectiveness.. If a dose is missed and phentermine can be taken without causing insomnia, take the dose.. The most common item to avoid with phentermine use is alcohol, which can worsen potential side effects.. Lastly, avoid taking phentermine while consuming any products that may increase blood pressure or magnify the effects of phentermine.. As with any medication, phentermine has numerous side effects, ranging from common to severe.. Do not use phentermine with the following medications:. It is also critical that your primary care provider is informed of any prior or current medical conditions that could affect your health or interfere with your use of phentermine.. This is another reason why other care providers should be aware of your phentermine use before prescribing medications or performing medical tests.. The active ingredient in phentermine pills is phentermine hydrochloride.. Who can take phentermine?

Phentermine is considered better than diethylpropion since it is cheaper and more effective than it. Moreover, it can be prescribed to you if you suffer…

Then, it is high time that you visit your doctor and take his recommendation on prescribing you an anti-obesity drug such as phentermine or diethylpropion to aid your weight loss progress.. Both phentermine and diethylpropion are appetite suppressants, but they differ from each other on the basis of their efficacy, dosage forms, and their suitability in different conditions.. Thus, in this article, I will discuss the benefits, safety, user reviews, cost, and a summary of all the pros and cons of these two drugs to help you better understand the two possible treatment options your doctor may prescribe you .. Your doctor may recommend you to take the 25 mg tablets 1 hour before every meal.. Thus, this section will tell you about the potential drug interactions of phentermine, its possible side effects, and safety during pregnancy and nursing in different ages and health conditions.. Phentermine Drug Interactions. Moreover, it should not be prescribed to patients who have a history of drug abuse.. Phentermine is suspected of having potential for abuse, and there are reports that it causes adverse effects like depression and headache when discontinued abruptly.. Diethylpropion Safety Diethylpropion should only be used under the doctor’s approval and supervision due to the risks associated with its treatment.. Yes, since diethylpropion is a central nervous system stimulant, it may increase your energy levels while simultaneously suppressing your appetite.. Or they may check the drug’s contraindications because both phentermine and Diethylpropion are Schedule IV control substances, and they carry the risk of dependence and may cause side effects.

How do you get the best results out of America's best weight loss supplement, Phentermine? Find the answer in this article.

Phentermine is one of the most popular and powerful drugs being used to assist in weight loss.. Phentermine should not be given to kids age 16 and below as effectiveness and safety, especially in this age group, is not yet established ( 2 ).. Phentermine is available in four forms – capsule, tablets, disintegrating tablets, and extended-release capsules.. The dose of Phentermine may vary for different patients.. The doses you need to take every day, the time allowance in between doses, and the duration of intake will likewise depend on your medical condition.. Phentermine hydrochloride is an appetite suppressant commonly taken by people who would want to lose extra weight.. Depending on which form of Phentermine are you using, dosage and time of intake may vary.. Similar to other drugs, Phentermine must be safely kept in a dry, cool, and dark place.. While Phentermine is a proven weight loss medication, there are several tips and ways to maximize its effect to make sure that you’ll get the most out of your daily dose.. Phentermine can help you lose weight in the first few weeks, but only diet and exercise can maintain its wonderful effects ( 5 ).. And even if Phentermine can suppress your appetite, it is very important for you to know that you still need to eat right to lose weight, especially because it’s only intended for short-term use, and can wear off or even stop working for you completely after a few months.. Drinking lots of water can help reduce weight by making sure that your body is at its best to support all important bodily functions like burning fats and boosting metabolism.. While drinking water and exercising are considered to be two of the most important ways to help you lose weight, keeping an alkaline urinary pH can also enhance Phentermine’s effects.. Experiments published in Medical Toxicology 3rd edition in 2004, results showed that with an acidic urinary pH, 5.5-6.0, 84% of Phentermine dose is excreted unchanged by the kidneys in as fast as 24 hours ( 7 ).. By taking Phentermine at the right time using the most appropriate dosage, you’ll surely make the most of this diet pill.

Qsymia (phentermine and topiramate) is a combination medicine used to help certain people lose weight.

Qsymia combines Adipex-P (phentermine), an anorexiant (reduces food intake), and Topamax (topiramate), an anti-seizure medicine.. Many people notice no negative side effects at all from taking Qsymia.. Your healthcare provider may taper your dose for at least one week, taking Qsymia every other day.. The amount of medicine that you take depends on the strength of the medicine.. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.. Check with your doctor right away if you have a racing heartbeat while at rest after taking this medicine.. Check with your doctor immediately if you have a decrease in vision, blurred vision, or pain around the eyes during and after treatment with this medicine.. If you feel dizzy, faint, or lightheaded after taking this medicine, check with your doctor.. This medicine will add to the effects of alcohol and other CNS depressants (medicines that make you drowsy or less alert).. Some examples of CNS depressants are antihistamines or medicine for hay fever, other allergies, or colds, prescription pain medicines, or sleep medicines.. Check with your doctor before taking any of the above while you are using this medicine .. Do not suddenly stop taking this medicine without first checking with your doctor .. This medicine may cause your body temperature to go down especially when taking valproic acid, which is a medicine to control seizures.. It is not a list of medicines recommended to take with Qsymia.

Phentermine - Get up-to-date information on Phentermine side effects, uses, dosage, overdose, pregnancy, alcohol and more. Learn more about Phentermine

Common side effects of phentermine include dry mouth, fast heart beat, insomnia, and dizziness.. fluoxetine (Prozac) fluvoxamine (Luvox) guanethidine oral hypoglycemic medications for diabetes insulin (you may need to increase your dose of insulin while taking phentermine) medications for weight loss and depression paroxetine (Paxil) sertraline (Zoloft) monoamine oxidase (MAO) inhibitors such as isocarboxazid (Marplan), phenelzine (Nardil), selegiline (Eldepryl, Emsam, Zelapar) and tranylcypromine (Parnate). Serious side effects have been reported with phentermine including the following:. Your doctor may stop treatment with phentermine if you develop this complication.. When tolerance to the phentermine develops, the recommended dose should not be exceeded in an attempt to increase the effect.. Phentermine should not be stopped all of a sudden especially if phentermine dose is high.. You should not take phentermine if you have:. While there are no specific phentermine food interactions, you should avoid drinking large amounts of beverages containing caffeine (coffee, tea, colas) or eating large amounts of chocolate while taking phentermine as caffeine can increase the side effects of this medicine.. Before taking phentermine, tell your doctor about all of your medical conditions.. are allergic to phentermine or to any of its ingredients have high blood pressure drink alcohol a history of drug abuse or dependence decreased kidney function have diabetes are pregnant or breastfeeding. Phentermine falls into category X. Phentermine should not be used during pregnancy because weight loss offers no potential benefit to a pregnant woman and may result in fetal harm.. Your doctor and you will decide if the benefits outweigh the risk of using phentermine.. Take phentermine exactly as prescribed.. Taking phentermine in the evening can cause insomnia (trouble falling asleep or staying asleep), so phentermine should be taken in the morning.. Do not take two doses of phentermine at the same time.

Phentermine oral capsule is a prescription drug used to treat obesity. It’s only used short-term along with exercise, a low-calorie diet, and other behavior changes to decrease weight. This medication comes as a generic drug and as the brand-name drug Adipex-P. Learn about side effects, warnings, dosage, and more.

Call your doctor right away if you have serious side effects.. Taking certain drugs with phentermine may cause serious side effects.. Don’t take these drugs with phentermine.. Taking these drugs together may cause increased side effects.. Taking phentermine with certain medications may cause more side effects.. Stop taking phentermine and call your doctor right away if you become pregnant while taking this drug.. If you stop taking the drug or don’t take it at all: You may not lose weight.. This will tell you and your doctor if the medication is working to help you lose weight.

Phentermine is one of the most popular anti-obesity drug consumed highly by Americans these days. Find Top 2 Over The Counter Phentermine Alternatives 2020.

See My detailed review of Phenq – The Best alternative to Phentermine Diet Pills in 2018!. Well, the post below offers a brief on its mechanism & uses, dosage as well as possible side effects.. When you cannot take Phentermine. It’s to mention here that unlike Phentermine which works by suppressing appetite, Phen375 follows natural fat burning mechanism.. You have to maintain a complete weight loss program where the diet pills would be a major aspect along with healthy lifestyle, exercise and balanced diet.

Phentermine (CIV) is a presciption-only appetite suppressant used for weight loss. Learn more about how it works, dosage, side effects and expected results.

Even as the #1 prescription weight loss pill in America , however, there’s still a lot of confusion about these diet pills and how they work [2].. However, weight loss drugs like these should only be prescribed after the individual has already tried losing weight with lifestyle modifications alone, and may still not be appropriate for all patients.. However, depending on the dose of the pills, phentermine my be taken up to three times per day.. It’s common for patients to lose more weight during the first month and then experience more gradual weight loss in the following months.. Phentermine is the most popular prescription weight loss medication, but it is not the only drug available.

A method for effecting weight loss by administering a combination of topiramate and phentermine is provided. The phentermine is generally administered in immediate release form, in a daily dose in the

Accordingly, in a first embodiment, the present invention is directed to a method for effecting weight loss in a subject by administering continually over a significant period of time a daily dose of phentermine in the range of 2 mg to 8 mg and in combination therewith a daily amount of topiramate selected to prevent the loss of effectiveness of phentermine alone.. Generally, the composition is an orally administrable unit dosage form that contains both active agents.. Thus, for example, “an active agent” refers not only to a single active agent but also to a combination of two or more different active agents, “a dosage form” refers to a combination of dosage forms as well as to a single dosage form, and the like.. In one embodiment, the invention provides a method for effecting weight loss and treating overweight, obesity, and conditions associated with excess weight and obesity, and involve administration of a combination of the sympathomimetic agent phentermine and the anti-convulsant agent topiramate.. As with topiramate, phentermine may take on various other forms as well.. Subjects suitable for treatment with the subject combination therapy treatment regimen thus include individuals suffering from conditions associated with obesity, such conditions including, without limitation:. high blood pressure, i.e., hypertension;. In a study comparing controlled-release formulation of topiramate according to the present invention versus immediate release topiramate (Topamax®) in combination with phentermine, the controlled release formulation of the instant invention of topiramate had a 10-15% lower effect on phentermine exposure (FIG.

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