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Cephadyn

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Cephadyn

CEPHADYN
(Butalbital and acetaminophen) Tablets 50 mg/650 mg

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:

Acetaminophen Structural Formula Illustration

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.

What are the possible side effects of acetaminophen and butalbital?

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 a serious side effect such as:

  • fast or pounding heart rate, feeling short of breath;
  • feeling like you might pass out;
  • confusion, depression;
  • feeling restless, excited, or agitated;
  • seizure (convulsions); 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 Cephadyn »

Last reviewed on RxList: 8/11/2011
This monograph has been modified to include the generic and brand name in many instances.

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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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