The U.S. Food and Drug Administration approved the use of phentermine resin to treat obesity. It was a safer option than the “Rainbow pills” that were in use up to this point – a cocktail of amphetamine, thyroid hormone, digitalis and diuretics that often came with severe complications.
What else can phentermine be used for?
Phentermine is used together with diet and exercise to treat obesity, especially in people with risk factors such as high blood pressure, high cholesterol, or diabetes. Phentermine may also be used for purposes not listed in this medication guide.
What is phentermine used for besides weight loss?
Phentermine is used with a doctor-approved exercise, behavior change, and reduced-calorie diet program to help you lose weight. It is used by certain overweight people, such as those who are obese or have weight-related medical problems.
Why is Phentermine a controlled substance?
It’s a controlled substance due to its chemical similarities to the stimulant amphetamine — making it available only with a prescription. Your doctor may prescribe phentermine if you’re obese, meaning that your body mass index (BMI) is greater than or equal to 30.
How long has phentermine been around?
Phentermine was approved for medical use in the United States in 1959. It is available as a generic medication. In 2018, it was the 168th most commonly prescribed medication in the United States, with more than 3 million prescriptions.
Is phentermine a speed?
There is a potential for misuse with phentermine, which is why it is a scheduled drug. It works in a similar way to amphetamines (like methamphetamine or “speed”) and cocaine, which are drugs that people use illegally and recreationally.
Is it OK to skip a day of phentermine?
Take the medicine as soon as you can, but skip the missed dose if it is late in the day. Do not take two doses at one time.
What is the strongest weight loss prescription pill?
Phentermine-Topiramate extended release (Qsymia) is the most effective weight loss drug available to date. It combines an adrenergic agonist with a neurostabilizer. Daily doses with four strengths start at 3.75/23mg to 15mg/92mg. Adults with migraines and obesity are good candidates for this weight loss medication.
What drug is similar to Phentermine?
The FDA has approved five of these drugs—orlistat (Xenical, Alli), phentermine-topiramate (Qsymia), naltrexone-bupropion (Contrave), liraglutide (Saxenda), and semaglutide (Wegovy)—for long-term use.
Does phentermine affect your brain?
Summary: Users of widely prescribed diet pills may suffer irreversible loss of brain serotonin nerve terminals, possibly resulting in symptoms of anxiety, depression, cognitive and sleep problems, suggests the first author of a newly published report on fenfluramine side effects.
Can phentermine cause you to fail a drug test?
Taking phentermine can result in a false positive urine test for amphetamines.
What are the bad side effects of phentermine?
Side effects of phentermine include:
- dry mouth,
- an unpleasant taste,
What happens if you take 2 phentermine in one day?
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).
Does phentermine give you high blood pressure?
Phentermine may cause a serious increase in your blood pressure. This may make your heart work harder. The extra stress on your heart may make your heart disease worse.
Does phentermine cause hair loss?
Weight loss medications like phentermine can cause hair loss, but the side effect isn’t often listed. This is because dieters who lose their hair are often also nutrient-deficient or may have underlying health conditions contributing to their hair loss.
What happens when you stop taking phentermine?
Behavioural symptoms can also occur during diet pill withdrawal. You may not seem like yourself after you abruptly stop taking the pills. You may experience nervousness, anxiety and irritability. Depression can also set in, accompanied by fatigue and insomnia.