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ZYDONE (hydrocodone bitartrate and acetaminophen tablets), for oral administration, contain hydrocodone bitartrate and acetaminophen in the following strengths:

Hydrocodone Bitartrate, USP 5 mg
Acetaminophen, USP 400 mg

Hydrocodone Bitartrate, USP 7.5 mg
Acetaminophen, USP 400 mg

Hydrocodone Bitartrate, USP 10 mg
Acetaminophen, USP 400 mg

In addition, each tablet contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, crospovidone, microcrystalline cellulose, povidone, pregelatinized starch, and stearic acid. The 5 mg/400 mg strength contains FD&C Yellow No. 10; 7.5 mg/400 mg contains FD&C Blue No. 2; and 10 mg/400 mg contains FD&C Red No. 40.

ZYDONE (hydrocodone bitartrate and acetaminophen) Tablets meet USP Dissolution Test 1.

Hydrocodone bitartrate is an opioid analgesic and antitussive and occurs as fine, white crystals or as a crystalline powder. It is affected by light. The chemical name is 4,5α-Epoxy-3-methoxy-17-methylmorphinan-6-one tartrate (1:1) hydrate (2:5). It has the following structural formula:

Acetaminophen, 4'-Hydroxyacetanilide, a slightly bitter, white, odorless, crystalline powder, is a non-opiate, non-salicylate analgesic and antipyretic. It has the following structural formula:

Last reviewed on RxList: 11/21/2008
This monograph has been modified to include the generic and brand name in many instances.