Talacen (Pentazocine and Acetaminophen) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 9, 2012

Talacen

Pain Management: Musculoskeletal Pain »

What Causes Musculoskeletal Pain?

The causes of musculoskeletal pain are varied. Muscle tissue can be damaged with the wear and tear of daily activities. Trauma to an area (jerking movements, auto accidents, falls, fractures, sprains, dislocations, and direct blows to the muscle) also can cause musculoskeletal pain. Other causes of pain include postural strain, repetitive movements, overuse, and prolonged immobilization. Changes in posture or poor body mechanics may bring about spinal alignment problems and muscle shortening, therefore causing other muscles to be misused and become painful.

What Are the Symptoms of Musculoskeletal Pain?

People with musculoskeletal pain sometimes complain that their entire bodies ache. Their muscles may feel like they have been pulled or overworked. Sometimes the muscles twitch or burn. Symptoms vary from person to person, but the common symptoms are:

Pain
Fatigue
Sl...

Read the Pain Management: Musculoskeletal Pain article »

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

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.

Call your doctor at once if you have any of these serious side effects:

fast heart rate;
shallow breathing, slow heartbeat;
feeling light-headed, fainting;
confusion, hallucinations, unusual thoughts or behavior;
seizure (convulsions);
easy bruising or bleeding; or
nausea, stomach...

Read All Potential Side Effects and See Pictures of Talacen »

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

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 problem (kyphoscoliosis), breathing...

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.