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Product Description

Didrex is an appetite suppressant primarily used for attaining weight loss. It works on central nervous system to suppress the appetite. It is usually prescribed along with diet and exercise schedule.

This medication is a stimulant and is similar to an amphetamine. It is also available in the generic form having the name benzphetamine.

Didrex is indicated for short term use for people who are significantly overweight and also have high health risks like high blood pressure, heart disease or diabetes.

Important information

Didrex should not be used without doctor’s approval by pregnant women and lactating mothers. If you have any medical condition related to heart, arteries, blood pressure, thyroid or other life threatening medical condition, it is better to talk to a doctor to learn whether the medication is right for you.

Moreover, this medication can cause addiction. Thus, people with history of medication abuse should handle it with caution. Remember not to overuse it or give it to anyone less than 12 years of age.

You should not use Didrex if you have used MAO inhibitors in the last fortnight. Also do not take it with any other diet medication as doing so can result in unnatural or fatal lung disorder that can be termed as pulmonary hypertension.

Do not administer Didrex to children who are below the age of twelve. Never take this medication in larger quantities more than what is prescribed as doing so can result in severe and life threatening consequences. Do not drink alcohol when you are taking this medicine. Do not take this medication late in the afternoon so as to avoid sleeping problems.


The common dose level is 25 to 50 mg three times a day. Sometimes this medication may not work for certain individuals. If you do not lose any weight in four weeks, stop using Didrex and contact your doctor.

You should take Didrex once each day either mid-morning or mid-afternoon. You should not take this pill for more than 4 weeks as it is indicated only for short term use. Take the dosage as advised by the physician and do not alter the dosage strength under any circumstance.

Missing a dose and Overdosing

Do not increase the dose of Didrex to lose more weight. Overdosing can cause confusion, panic attack, nausea, diarrhea, vomiting, muscle pain, slow breathing, irregular heartbeat, fainting, seizure, dark urine and stomach cramps.

Take Didrex at the same time every day so as to remember it taking every day and also in the process you won’t miss any dose.

If you have missed a dose of Didrex, take it as soon as you remember. If it is already time for the subsequent dose, then skip the missed dose and continue taking the scheduled dose. Overdosing can lead to serious side effects. If overdosed, get emergency medical help.

Side effects

Common side effects are:

Serious side effects are:

If you experience these then stop taking the medication and contact your doctor immediately.

Relative Contraindications

Didrex is contraindicated in patients having advanced arteriosclerosis, symptomatic cardiovascular disease, hypertension that can be moderate to severe, hyperthyroidism that can also be known as hypersensitivity, idiosyncrasy to sympathomimetic amines and also glaucoma.

Didrex should not be given to patients who have a history of medication abuse or if the patient is in an agitated state.