Since phentermine has a similar structure to amphetamines, it can turn up a false positive on urine drug screens for amphetamines or MDMA, as confirmed by a 2016 study. 1 A positive result will signal the need for a confirmatory test, which will then show that it was phentermine and not amphetamine or methamphetamine.
Is Phentermine considered a controlled substance?
Phentermine is a Schedule IV controlled substance.
Is phentermine a narcotic?
Phentermine: an appetite-suppressant amphetamine classified as a narcotic in France. Is a combination with topiramate on the horizon?
What class of medication is phentermine?
It may work by decreasing your appetite, increasing the amount of energy used by your body, or by affecting certain parts of the brain. This medication is an appetite suppressant and belongs to a class of drugs called sympathomimetic amines.
Can I take more than 37.5 mg of phentermine a day?
Typical starting dosage: One 37.5-mg capsule each day. Take it in the morning before breakfast, or 1–2 hours after breakfast. Maximum dosage: 37.5 mg per day.
Can I lose 20 pounds in a month on phentermine?
Several clinical studies have proven that phentermine can boost fat loss. The expected average weight loss with phentermine use is 5% of your initial body weight. Yet, over 12 weeks, it can be as high as 10%. This equates to a weight loss of 10–20 pounds (4.5–9 kg) for a 200 pound (90.7 kg) person ( 8 ).
How long does phentermine stay in your system for a drug test?
Adipex will generally be out of your system about two days after the last time you take it. Phentermine is stored in body fat and burning fat may support elimination.
Is Fen Phen the same as phentermine?
Fenfluramine was one of the ingredients in “fen-phen,” and dexfenfluramine is closely related to fenfluramine. The “phen” in fen-phen refers to a drug called phentermine, which wasn’t banned.
Is phentermine/topiramate a narcotic?
1 Phentermine/topiramate is a controlled substance (U.S. Food and Drug Administration [FDA] schedule IV).
Is there caffeine in phentermine?
Both phentermine and caffeine are stimulants.
What diet pill is comparable to Phentermine?
Bontril (phendimetrazine tartrate) and Adipex (phentermine) are appetite suppressants, used in combination with diet and exercise for the treatment of obesity.
How long can you stay on phentermine?
Most people takephentermine for 3 to 6 weeks; the length of treatment depends on how you respond to the medication. Phentermine can be habit-forming. Do not take a larger dose, take it more often, or take it for a longer period than your doctor tells you to.
Does phentermine work better with Topamax?
Results from the trials showed that after 1 year of treatment with the recommended dose (7.5 mg phentermine, 46 mg topiramate), patients experienced an average weight loss of 6.7%, and those who were treated with the highest daily dose (15 mg phentermine, 92 mg topiramate) had an average weight loss of 8.9%.
What’s the highest mg of phentermine?
Phentermine hydrochloride, an appetite suppressant, is the most commonly prescribed drug for weight loss. The drug is typically prescribed in doses ranging from 15 mg to 37.5 mg and taken before or within a few hours of breakfast.
What happens if you take too much phentermine?
An overdose of phentermine can be fatal.
Overdose symptoms may include confusion, panic, hallucinations, extreme restlessness, nausea, vomiting, diarrhea, stomach cramps, feeling tired or depressed, irregular heartbeats, weak pulse, seizure, or slow breathing (breathing may stop).
What happens when you stop taking phentermine?
Abrupt cessation of long-term phentermine therapy does not induce amphetamine-like withdrawal. Long-term phentermine therapy does not induce phentermine cravings. Symptoms observed after abrupt phentermine cessation represent loss of therapeutic effect and are not withdrawal.