April 30, 2017
Recommended Topic Related To:

Darvon Compound

"Prolonged use of nonsteroidal anti-inflammatory drugs (NSAIDs) or acetaminophen modestly increases the risk for hearing loss in older women, a prospective analysis of data from the Nurses' Health Study (NHS) I has found. A similar relationship wa"...


Darvon Compound

Discontinued Warning IconPlease Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)


(Propoxyphene Hydrochloride, Aspirin, and Caffeine Capsules,USP)

Propoxyphene hydrochloride is an odorless, white crystalline powder with a bitter taste. It is freely soluble in water. Chemically, it is alpha (+)-4-(Dimethylamino)-3-methyl-1,2-diphenyl-2-butanol Propionate Hydrochloride.

Each PulvuleĻ contains 65 mg (172.9 µmol) propoxyphene hydrochloride, 389 mg (2,159 µmol) aspirin, and 32.4 mg (166.8 µmol) caffeine. It also contains F D & C Red No. 3, F D & C Yellow No. 6, gelatin, glutamic acid hydrochloride, iron oxide, kaolin, silicone, titanium dioxide, and other inactive ingredients.

What are the possible side effects of aspirin/caffeine/propoxyphene (Darvon Compound 32, Darvon Compound-65, PC-CAP, Propoxyphene Compound 65)?

If you experience any of the following serious side effects, stop taking aspirin/caffeine/propoxyphene and seek emergency medical attention or contact your doctor immediately:

  • an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
  • slow, weak breathing;
  • seizures;
  • cold, clammy skin;
  • severe weakness or dizziness;
  • unconsciousness; or
  • black, bloody, or tarry stools or blood in your urine or...

Read All Potential Side Effects and See Pictures of Darvon Compound »

Last reviewed on RxList: 11/29/2016
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.

Chronic Pain/Back Pain

Find tips and advances in treatment.