
In the presence of head injury or other intracranial lesions, the respiratory depressant effects of codeine and other narcotics may be markedly enhanced, as well as their capacity for elevating cerebrospinal fluid pressure. Narcotics also produce other CNS depressant effects, such as drowsiness, that may further obscure the clinical course of the patients with head injuries.
Codeine or other narcotics may obscure signs on which to judge the diagnosis or clinical course of patients with acute abdominal conditions.
Codeine is habit-forming and potentially abusable. Consequently, the extended use of this product is not recommended.
There is currently no manufacturer warning information available for this drug.
Acetaminophen and codeine is supplied in tablet form for oral administration.
Acetaminophen, 4′-hydroxyacetanalide, a slightly bitter, white, odorless, crystalline powder, is a non-opiate, non-salicylate analgesic and antipyretic. It has the following structural formula:

Codeine phosphate, 7,8-didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α-ol phosphate (1:1) (salt) hemihydrate, a white crystalline powder, is a narcotic analgesic and antitussive. It has the following structural formula:

Each tablet contains:
Acetaminophen 500 mg
Codeine phosphate 15 mg
In addition each tablet contains the following inactive ingredients: Colloidal silicon dioxide, crospovidone, croscarmellose sodium, magnesium stearate, microcrystalline cellulose, povidone, pregelatinized starch and stearic acid.