FDA Orange Book

Generic for Lodosyn

Lodosyn contains carbidopa. 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 Lodosyn is carbidopa. 5 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.

Run it in Rivvi

Map Lodosyn and your other top fills to their generics

Every strength in RxNorm, with brands that have no generic flagged.

Build the map

Free to start. Opens Rivvi, the AI workspace for healthcare teams.

Lodosyn products in the Orange Book

Lodosyn products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
tablet, oral25MGMarketed (Rx)AB5AB

NDA 017830, held by ATON PHARMA INC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic carbidopa

Approved generic versions of Lodosyn
CompanyANDATE codeApprovedStrengths
EDENBRIDGE PHARMACEUTICALS LLC205304AB (A-rated, therapeutically equivalent)February 17, 201625MG
NOVEL LABORATORIES INC204763AB (A-rated, therapeutically equivalent)October 20, 201725MG
ZYDUS PHARMACEUTICALS USA INC209910AB (A-rated, therapeutically equivalent)May 7, 201825MG
AUROBINDO PHARMA LTD211055AB (A-rated, therapeutically equivalent)October 21, 201925MG
REGCON HOLDINGS LLC217961AB (A-rated, therapeutically equivalent)December 11, 202325MG

Lodosyn NDC codes

Questions

Is there a generic for Lodosyn?

Yes. The generic name for Lodosyn is carbidopa. 5 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 Lodosyn?

The active ingredient in Lodosyn is carbidopa, 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 Lodosyn and Carbidopa

Try it on your own data today.

Free to start. Most teams are using it the same day.