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Composition for PONDERAX

Fenfluramine(20 mg)

food interaction for PONDERAX

alcohol interaction for PONDERAX

pregnancy interaction for PONDERAX

lactation interaction for PONDERAX

It is better to take Ponderax 20mg tablet empty stomach (1 hour before food or 2 hours after food).
Ponderax 20mg tablet may cause excessive drowsiness and calmness with alcohol.
Ponderax 20mg tablet may be unsafe to use during pregnancy.
Either animal studies have shown adverse effect on fetus and there are no human studies or studies in human and animals are not available. It should be given only if potential benefits justifies risk to the fetus. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.


Fenfluramine(20 mg)


Ponderax 20mg tablet is used for short term therapy to reduce weight in the management of exogenous obesity (obesity caused by overeating).

How it works

Ponderax 20mg tablet is an anti-obesity agent that belongs to the class of drugs called anorectics. It works by increasing the levels of a chemical (serotonin) in the body which eventually suppresses the appetite.

Common side effects

Constipation, Drowsiness, Dry mouth, Altered taste, Vomiting, Diarrhoea


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Expert advice for PONDERAX

  • Always take fenfluramine before meals.
  • You will be regularly monitored for blood pressure while taking fenfluramine if you have high blood pressure.
  • Exercise caution if you have history of mental disorders.
  • Tell your doctor if you are or planning to become pregnant or are breastfeeding.
  • Do not take if allergic to fenfluramine or any of its ingredients.
  • Do not take if suffering with severe hypertension and irregular heartbeats (arrhythmias). 
  • Do not take if having problems with drug or alcohol abuse, heart disease, or glaucoma (a condition that causes damage to your eye's optic nerve and gets worse over time).

Frequently asked questions for PONDERAX


Q. Is fenfluramine still available?
Fenfluramine is no longer available due to its association with unusual heart valve findings.


Content on this page was last updated on 11 December, 2015, by Dr. Varun Gupta (MD Pharmacology)