Cephadyn

DRUG DESCRIPTION

Butalbital and acetaminophen is supplied in tablet form for oral administration:

Butalbital (5-allyl-5-isobutylbarbituric acid), a slightly bitter, white, odorless, crystalline powder, is a short to intermediate-acting barbiturate. It has the following structural formula:

Butalbital Structural Formula Illustration

C11H16N2O3       MW = 224.26

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       MW = 151.16

Each Cephadyn Tablet contains:

Butalbital ............... 50 mg

(Warning: May be habit-forming.)

Acetaminophen .... 650 mg

In addition, each tablet contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, crospovidone, microcrystalline cellulose, povidone, pregelatinized starch, stearic acid with FD&C Blue #1 Lake as coloring.



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