Ponderax 20mg Tablet

Prescription Required
Store at room temperature (10-30°C)


Ponderax 20mg Tablet is an anti-obesity medicine. It is used for the treatment of obesity. It decreases the food intake by suppressing the appetite.

Ponderax 20mg Tablet is to be taken on an empty stomach. However, it can be swallowed as a whole with water. Take it regularly and at the same time of each day to get the most benefit from it.

Ponderax 20mg Tablet may cause few side effects such as insomnia, dizziness, dry mouth, loss of appetite, and constipation. These side effects are usually transient but do consult the doctor if they bother you.

Before taking the medicine, inform your doctor of any blood pressure disorder or heart related disease. Also, if you are taking any medications for any mental condition, consult your doctor about the safety and efficacy of the medicine. It is important to monitor your blood pressure while taking this medicine. While on the treatment, driving and operation heavy machineries is not recommended as you may feel dizziness.

Uses of Ponderax Tablet

Benefits of Ponderax Tablet

In Obesity

Ponderax 20mg Tablet decreases cravings for food every now and then. This helps reduce food intake and enables you to cut down on those extra calories that are responsible for gaining weight due to overeating. Therefore, this medicine helps to treat obesity and prevents the complications of being overweight like diabetes, high blood pressure and other serious problems. It also improves your confidence by helping you lose weight and enhances your quality of life.

Side effects of Ponderax Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Ponderax

  • Insomnia (difficulty in sleeping)
  • Dizziness
  • Dryness in mouth
  • Increased heart rate
  • Nausea
  • Loss of appetite
  • High blood pressure
  • Constipation

How to use Ponderax Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Ponderax 20mg Tablet is to be taken empty stomach.

How Ponderax Tablet works

Ponderax 20mg Tablet is a selective serotonin reuptake inhibitor (SSRI). It works by lowering the appetite, which in turn decreases the food intake. It gives a feeling of fullness and satiation.

Safety Advice

It is unsafe to consume alcohol with Ponderax 20mg Tablet.
Ponderax 20mg Tablet may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.
Information regarding the use of Ponderax 20mg Tablet during breastfeeding is not available. Please consult your doctor.
Ponderax 20mg Tablet may cause side effects which could affect your ability to drive.
There is limited information available on the use of Ponderax 20mg Tablet in patients with kidney disease. Please consult your doctor.
There is limited information available on the use of Ponderax 20mg Tablet in patients with liver disease. Please consult your doctor.

What if you forget to take Ponderax Tablet?

If you miss a dose of Ponderax 20mg Tablet, skip it and continue with your normal schedule. Do not double the dose.

Alternate Brands

For informational purposes only. Consult a doctor before taking any medicines.
No alternate brands found for this medicine

Quick Tips

  • 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).

Fact Box

Chemical Class
Amphetamines Derivative
Habit Forming
Therapeutic Class

Patient Concerns

Obesity ,costipation,gases Aciditt Obesity constipation problem gases acidity
Shikha Mishra
eat 6-7 meals per day, which consist fruits, nuts, buttermilk,sprouts,idly,curd eggs,sprouts homecooked food. Drink 3-4 litters of water limit your sugar consumption to 2 spoon per day. Be active whole day for personalized diet chart write to me on [email protected] do minimum 45 min exercise everyday like yoga, cardio
Acidity sleeplessness. headache. .obesity.
Dr. Sunil Sekhri
Tab rekool 40 1 Od empty stomach x 5 days, Tab Metacin 500 1 SOS. For obesity, you need to do regular exercises and decrease calorie intake
Do you have any questions related to Ponderax 20mg Tablet ?

User Feedback


Q. Is Ponderax 20mg Tablet still available?

Ponderax 20mg Tablet is no longer available due to its association with unusual heart valve findings.

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1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover all possible side effects, drug interactions or warnings or alerts. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.


  1. ScienceDirect. Fenfluramine. [Accessed 05 Apr. 2019] (online) Available from:External Link
  2. PubChem. Fenfluramine. [Accessed 05 Apr. 2019] (online) Available from:External Link
  3. RxList. Fenfluramine hydrochloride. [Accessed 11 Mar. 2019] (online) Available from:External Link
  4. Central Drugs Standard Control Organisation (CDSCO). [Accessed 03 Apr. 2019] (online) Available from:External Link

Manufacturer/Marketer Address

Serdia House, Off Dr. S S Rao Road, Behind M G Hospital Parel, Mumbai 400012
As per the Drugs and Cosmetics Act, Ministry of Health and Family Welfare


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