Indications for: Benzphetamine

Short-term adjunct in management of exogenous obesity.

Adult Dosage:

≥17yrs: Individualized. Initially 25–50mg once daily in mid-morning or mid-afternoon. Increase if needed to 25–50mg 1–3 times daily.

Children Dosage:

<17yrs: not recommended.

Benzphetamine Contraindications:

Advanced arteriosclerosis. Cardiovascular disease. Hypertension. Hyperthyroidism. Agitation. Drug or alcohol abuse. During or within 14 days of MAOIs. Pregnancy.

Benzphetamine Warnings/Precautions:

Discontinue after a few weeks as tolerance to anorectic effect occurs. Diabetes. Prescribe limited supply to prevent overdose. Nursing mothers: not recommended.

Benzphetamine Classification:


Benzphetamine Interactions:

Hypertensive crisis with MAOIs. Blocks guanethidine. Altered insulin requirements. Potentiated by urinary alkalinizers. Antagonized by urinary acidifiers.

Adverse Reactions:

Abuse potential, impairment in hazardous activities, arrhythmias, hypertension, CNS overstimulation, psychosis, dry mouth, GI disturbances, urticaria, impotence.


Formerly known under the brand name Didrex.

How Supplied:

Contact supplier

Pricing for Benzphetamine

50mg tablet (Qty: 90)
Appx. price $37