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(hydrocodone bitartrate and acetaminophen) Tablets, USP


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:

ZYDONE (Hydrocodone Bitartrate and Acetaminophen) Structural Formula Illustration

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:

ZYDONE (Hydrocodone Bitartrate and Acetaminophen) Structural Formula Illustration

What are the possible side effects of acetaminophen and hydrocodone?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

  • shallow breathing, slow heartbeat;
  • feeling light-headed, fainting;
  • confusion, fear, unusual thoughts or behavior;
  • seizure (convulsions);
  • problems with urination; or
  • nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or...

Read All Potential Side Effects and See Pictures of Zydone »

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

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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