It’s a controlled substance because of its chemical similarities to the stimulant amphetamine — which makes it accessible only with a prescription.
Side effects include dry mouth, nausea, tiredness, irritability, as well as constipation.
It had been approved by the FDA in 1959 for short term usage of up to 12 weeks for people older than 16 (1Trusted Source).
Ahead of 2016, the available doses of phentermine were 15, 30, and 37.5 mg.
Healthy Strategies to Promote and Maintain Weight Reduction
You should avoid taking the final dose too late daily to stop insomnia or difficulty falling or staying asleep.
Prioritize nutrient-dense foods: Nutrient-dense foods — like fruits and vegetables — are comparatively low in calories and high in nutrients, such as fiber, vitamins, and minerals.
It may also be prescribed if you are overweight with a BMI greater than or equal to 27 and have a minumum of one weight-related condition, such as hypertension, high cholesterol, or type 2 diabetes (3Trusted Source, 4Trusted Source, 5Trusted Source).
Phentermine alone is created for short-term use only, as there aren’t any long-term studies on its security. A Diet Pill Reviewed
Side Effects and Precautions
However, since it is suggested that physicians prescribe the lowest effective dose, the FDA approved an 8-mg formula in 2016, which can be obtained up to three times each day.
After reports of major heart problems in consumers, the FDA pulled another two drugs used in the treatment — fenfluramine and dexfenfluramine — from the marketplace (2Trusted Source).
It’s been proven effective for short-term weight loss when used alongside a reduced-calorie diet and exercise.
While phentermine may be highly effective weight loss aid, the only proven method to shed weight — and to keep it off in the long term — is cultivating healthy lifestyle behaviors (4Trusted Source).
The most commonly reported side effects include (1Trusted Supply, 3Trusted Source, 23Trusted Source):
In users, this weight loss has translated to a substantial decrease in waist circumference, improved insulin sensitivity, and blood sugar control, as well as positive effects on triglyceride and cholesterol levels (16Trusted Source, 17Trusted Source).
Boost physical action: Guidelines recommend a minimum of 150 minutes a week of moderate aerobic exercise, such as brisk walking or running (4Trusted Supply, 25Trusted Source).
This article explains all you need to know about phentermine, such as its benefits, dosage, and possible side effects.
The medicine ought to be discontinued if you don’t lose 5% of your own body weight after 12 months to the highest daily dose.
But using phentermine for weight loss is not without dangers and side effects.
Making these lifestyle changes can be challenging and should not occur all at one time. It will take an investment of energy and your own time but the outcome will be long-term weight reduction and health.
The combination of phentermine and topiramate may help reduce binge eating in people with binge eating disorder (BED) and bulimia nervosa.
By decreasing binging episodes, the drug combination might assist the projected 40–80 percent of individuals with BED or bulimia nervosa that are overweight or obese lose weight while improving mood and a feeling of control with eating (20Trusted Source).
Without creating the correct changes, it’s very likely that you’ll gain back the weight you lost — and possibly more — once you stop taking phentermine.
You shouldn’t take phentermine if you have heart disease, hyperthyroidism, glaucoma, or if you’re pregnant or nursing (24Trusted Source).
As soon as your levels of these 3 compounds increase, your feeling of hunger decreases.