Tallenj Medicine Company

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onditions as determined by your doctor.

Pentazocine is an opioid (narcotic) analgesic. It works in the brain and nervous system to decrease pain.

Do NOT use Pentazocine if:

• you are allergic to any ingredient in Pentazocine or to any other codeine- or morphine-related medicine (eg, codeine, oxycodone)
• you have severe diarrhea due to antibiotic use (pseudomembranous colitis) or you are taking sodium oxybate (GHB)

Contact your doctor or health care provider right away if any of these apply to you.

Before using Pentazocine:

Some medical conditions may interact with Pentazocine. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

• if you are pregnant, planning to become pregnant, or are breast-feeding
• if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
• if you have allergies to medicines, foods, or other substances
• if you have a history of asthma, inflammatory bowel disease, severe stomach or intestinal condition (eg, ulcers), lung problems (eg, chronic obstructive pulmonary disease, cor pulmonale), liver or kidney problems, a blockage of your bladder or bowel, trouble urinating, an enlarged prostate, the blood disease porphyria, or seizures, or if you are having stomach or intestinal surgery
• if you have a history of high blood pressure, low thyroid function, heart problems (eg, heart attack, irregular heartbeat), recent head injury, brain disease, increased pressure in the brain, or brain growths or tumors
• if you have a history of mental or mood problems, suicidal thoughts or behaviors, or a history of drug abuse

Some MEDICINES MAY INTERACT with Pentazocine. Tell your health care provider if you are taking any other medicines, especially any of the following:

• Naltrexone because the effectiveness of Pentazocine may be decreased
• Cimetidine or sodium oxybate (GHB) because side effects, such as severe drowsiness and difficulty breathing, may occur
• Sibutramine because its side effects may be increased

This may not be a complete list of all interactions that may occur. Ask your health care provider if Pentazocine may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Pentazocine: