Hydrocodone bitartrate and acetaminophen is supplied in tablet form for oral administration.

WARNING: May be habit forming (see PRECAUTIONS, Information for Patients, and DRUG ABUSE AND DEPENDENCE).

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:

C₁₈H₂₁NO₃• C₄H₆0₆ • 2 ½ H₂0                M.W. 494.50

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:

C₈H₉NO₂                          M.W. 151.17

Each Lortab 2.5 (hydrocodone bitartrate and acetaminophen tablets) /500 tablet contains:

Hydrocodone Bitartrate............................2.5 mg
Acetaminophen.....................................500 mg

In addition, each tablet contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, crospovidone, micro-crystalline cellulose, povidone, pregelatinized starch, stearic acid and sugar spheres which are composed of starch derived from corn, sucrose, and FD&C Red #3.

Last reviewed on RxList: 1/30/2008
This monograph has been modified to include the generic and brand name in many instances.