FDA Orange Book

Is there a generic for Marplan?

Marplan contains isocarboxazid. Orange Book status for every listed strength, the approved generic makers, and the listed patents and exclusivities.

Source: FDA Orange Book data file dated 2026-10-09. Publisher page

No. The Orange Book lists no active FDA-approved generic (ANDA) for Marplan (isocarboxazid).

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Marplan products in the Orange Book

Marplan products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
tablet, oral10MGMarketed (Rx)None0None

NDA 011961, held by LIFSA DRUGS LLC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Marplan NDC codes

Questions

Is there a generic for Marplan?

No. The Orange Book lists no active FDA-approved generic (ANDA) for Marplan (isocarboxazid).

What is the generic name for Marplan?

The active ingredient in Marplan is isocarboxazid, per the FDA Orange Book.

What does a therapeutic equivalence code mean?

In the Orange Book, codes that start with A (such as AB) mean FDA considers the product therapeutically equivalent to the reference drug. Codes that start with B mean FDA does not, at this time, consider the product therapeutically equivalent.

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