FDA Orange Book
Is there a generic for Zirgan?
Zirgan contains ganciclovir. 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 Zirgan (ganciclovir).
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Zirgan products in the Orange Book
| Form and route | Strength | Brand status | Brand TE | Active generics | Generic TE codes |
|---|---|---|---|---|---|
| gel, ophthalmic | 0.15% | Marketed (Rx) | None | 0 | None |
NDA 022211, held by BAUSCH AND LOMB INC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.
Zirgan NDC codes
Questions
Is there a generic for Zirgan?
No. The Orange Book lists no active FDA-approved generic (ANDA) for Zirgan (ganciclovir).
What is the generic name for Zirgan?
The active ingredient in Zirgan is ganciclovir, 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.