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Talacen

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Talacen

TALACEN®
(pentazocine hydrochloride, USP, and acetaminophen, USP)

Talacen

DRUG DESCRIPTION

TALACEN (pentazocine and acetaminophen) is a combination of pentazocine hydrochloride, USP, equivalent to 25 mg base and acetaminophen, USP, 650 mg.

Pentazocine is a member of the benzazocine series (also known as the benzomorphan series). Chemically, pentazocine is (2R*,6R*,11R*)1,2,3,4,5,6-hexahydro-6,11-dimethyl-3-(3-methyl-2butenyl)-2,6-methano-3-benzazocin-8-ol, a white, crystalline substance soluble in acidic aqueous solutions, and has the following structural formula:

Pentazocine Structural Formula Illustration

C19H27NO HCl      M.W. 321.88

Chemically, acetaminophen is Acetamide, N-(4-hydroxyphenyl)-, and has the following structural formula:

Acetaminophen Structural Formula Illustration

C8H9NO2      M.W. 151.16

Pentazocine is an analgesic and acetaminophen is an analgesic and antipyretic. Inactive Ingredients: Colloidal Silicon Dioxide, FD&C Blue #1, Gelatin, Microcrystalline Cellulose, Potassium Sorbate, Pregelatinized Starch, Sodium Lauryl Sulfate, Sodium Metabisulfite, Sodium Starch Glycolate, Stearic Acid.

What are the possible side effects of acetaminophen and pentazocine (Talacen)?

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.

Stop using acetaminophen and pentazocine and call your doctor at once if you have a serious side effect such as:

  • fast heart rate;
  • weak or shallow breathing, slow heartbeat;
  • feeling like you might pass out;
  • confusion, hallucinations, unusual thoughts or behavior;
  • severe headache, ringing in your ears, anxiety, chest pain;
  • seizure...

Read All Potential Side Effects and See Pictures of Talacen »

What are the precautions when taking pentazocine and acetaminophen (Talacen)?

See also Warning section.

Before taking this product, tell your doctor or pharmacist if you are allergic to pentazocine or acetaminophen; or if you have any other allergies. This product may contain inactive ingredients (such as sulfites), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: certain bowel diseases (paralytic ileus, infectious diarrhea).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, lung disease (such as asthma, chronic obstructive pulmonary disease-COPD), a certain spinal...

Read All Potential Precautions of Talacen »

Last reviewed on RxList: 5/2/2011
This monograph has been modified to include the generic and brand name in many instances.

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Talacen - User Reviews

Talacen User Reviews

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Here is a collection of user reviews for the medication Talacen sorted by most helpful. Patient Discussions FAQs

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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