FDA Orange Book

Generic for Macrobid

Macrobid contains nitrofurantoin and nitrofurantoin macrocrystalline. 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

Yes. The generic name for Macrobid is nitrofurantoin and nitrofurantoin macrocrystalline. 8 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.

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Macrobid products in the Orange Book

Macrobid products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
capsule, oral75MG;25MGMarketed (Rx)AB8AB

NDA 020064, held by ALMATICA PHARMA LLC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic nitrofurantoin and nitrofurantoin macrocrystalline

Approved generic versions of Macrobid
CompanyANDATE codeApprovedStrengths
SANDOZ INC077066AB (A-rated, therapeutically equivalent)April 5, 200575MG;25MG
WATSON LABORATORIES INC202250AB (A-rated, therapeutically equivalent)July 8, 201575MG;25MG
SUNNY PHARMTECH INC208516AB (A-rated, therapeutically equivalent)May 24, 201875MG;25MG
INVENTIA HEALTHCARE LTD211013AB (A-rated, therapeutically equivalent)February 18, 202275MG;25MG
AUROBINDO PHARMA LTD209225AB (A-rated, therapeutically equivalent)March 30, 202375MG;25MG
MANKIND PHARMA LTD217357AB (A-rated, therapeutically equivalent)July 11, 202375MG;25MG
MICRO LABS LTD217073AB (A-rated, therapeutically equivalent)November 3, 202375MG;25MG
PHARMAZONE220269AB (A-rated, therapeutically equivalent)April 7, 202675MG;25MG

Macrobid NDC codes

Questions

Is there a generic for Macrobid?

Yes. The generic name for Macrobid is nitrofurantoin and nitrofurantoin macrocrystalline. 8 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.

What is the generic name for Macrobid?

The active ingredient in Macrobid is nitrofurantoin and nitrofurantoin macrocrystalline, 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.

More on Macrobid and Nitrofurantoin and Nitrofurantoin Macrocrystalline

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