FDA Orange Book
Is there a generic for Atmeksi?
Atmeksi contains methocarbamol. 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 Atmeksi (methocarbamol). The Orange Book shows its last listed patent expires October 9, 2044.
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Atmeksi products in the Orange Book
| Form and route | Strength | Brand status | Brand TE | Active generics | Generic TE codes |
|---|---|---|---|---|---|
| suspension, oral | 750MG/5ML | Marketed (Rx) | None | 0 | None |
NDA 219843, held by ROSEMONT PHARMACEUTICALS HOLDINGS INC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.
Atmeksi patents
| Patent | Expires | Covers | Use code | NDA |
|---|---|---|---|---|
| 12390439 | October 9, 2044 | Drug product | U-4253 | 219843 |
Atmeksi NDC codes
Questions
Is there a generic for Atmeksi?
No. The Orange Book lists no active FDA-approved generic (ANDA) for Atmeksi (methocarbamol). The Orange Book shows its last listed patent expires October 9, 2044.
What is the generic name for Atmeksi?
The active ingredient in Atmeksi is methocarbamol, per the FDA Orange Book.
When does the Atmeksi patent expire?
The last patent listed for Atmeksi in the Orange Book expires October 9, 2044. A listed patent expiry date is not a generic launch date.
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.