Generic Name: acetaminophen and pentazocine (a SEET a MIN oh fen and pen TAZ oh seen)
Brand Names: Talacen
What is acetaminophen and pentazocine?
Acetaminophen is a pain reliever and a fever reducer.
Pentazocine is a narcotic pain medicine.
The combination of acetaminophen and pentazocine is used to treat mild to moderate pain.
Acetaminophen and pentazocine may also be used for purposes not listed in this medication guide.
What is the most important information I should know about acetaminophen and pentazocine?
Tell your doctor if you have ever had alcoholic liver disease (cirrhosis) or if you drink more than 3 alcoholic beverages per day. You may not be able to take acetaminophen. Do not take more of this medication than is recommended. An overdose of acetaminophen can damage your liver or cause death. Tell your doctor if the medicine seems to stop working as well in relieving your pain. Avoid drinking alcohol. It may increase your risk of liver damage while taking acetaminophen. This medication may be habit-forming and should be used only by the person it was prescribed for. Keep the medication in a secure place where others cannot get to it. This medication may cause blurred vision and may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly. Ask a doctor or pharmacist before using any other cold, allergy, pain, or sleep medication. Acetaminophen (sometimes abbreviated as APAP) is contained in many combination medicines. Taking certain products together can cause you to get too much acetaminophen which can lead to a fatal overdose. Check the label to see if a medicine contains acetaminophen or APAP.
What should I discuss with my health care provider before taking acetaminophen and pentazocine?
You should not use this medication if you are allergic to acetaminophen (Tylenol) or pentazocine (Talwin). Pentazocine may be habit-forming and should be used only by the person it was prescribed for. Acetaminophen and pentazocine should never be given to another person, especially someone who has a history of drug abuse or addiction. Keep the medication in a secure place where others cannot get to it.
To make sure you can safely take acetaminophen and pentazocine, tell your doctor if you have any of these other conditions:
asthma, COPD, sleep apnea, or other breathing disorders;
liver or kidney disease;
heart disease, high or low blood pressure;
a history of head injury or brain tumor;
epilepsy or other seizure disorder;
porphyria (a genetic enzyme disorder that causes symptoms affecting the skin or nervous system);
a thyroid or adrenal gland disorder;
problems with your pancreas or gallbladder;
an enlarged prostate;
a stomach or intestinal disorder;
curvature of the spine;
mental illness; or
a history of drug or alcohol addiction.
Tell your doctor if you drink more than three alcoholic beverages per day or if you have ever had alcoholic liver disease (cirrhosis). You may not be able to take medication that contains acetaminophen. FDA pregnancy category C. It is not known whether acetaminophen and pentazocine will harm an unborn baby. Acetaminophen and pentazocine may cause breathing problems or addiction and withdrawal symptoms in a newborn if the mother takes the medication during pregnancy. Tell your doctor if you are pregnant or plan to become pregnant while using acetaminophen and pentazocine. Acetaminophen and pentazocine may pass into breast milk and could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Older adults may be more sensitive to the effects of this medicine.
How should I take acetaminophen and pentazocine?
Take exactly as prescribed. Never take acetaminophen and pentazocine in larger amounts, or for longer than recommended by your doctor. An overdose of acetaminophen can damage your liver or cause death. Follow the directions on your prescription label. Tell your doctor if the medicine seems to stop working as well in relieving your pain. Take this medicine with food or milk if it upsets your stomach. Drink 6 to 8 full glasses of water daily to help prevent constipation while you are taking acetaminophen and pentazocine. Ask your doctor about ways to increase the fiber in your diet. Do not use a stool softener (laxative) without first asking your doctor. Do not stop using acetaminophen and pentazocine suddenly after long-term use, or you could have unpleasant withdrawal symptoms. Ask your doctor how to avoid withdrawal symptoms when you stop using acetaminophen and pentazocine.
This medication can cause unusual results with certain urine tests. Tell any doctor who treats you that you are using acetaminophen and pentazocine.
If you need surgery, tell the surgeon ahead of time that you are using acetaminophen and pentazocine. You may need to stop using the medicine for a short time. Store at room temperature away from moisture and heat.
Keep track of the amount of medicine used from each new bottle. Acetaminophen and pentazocine is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.
See also: Acetaminophen and pentazocine dosage (in more detail)
What happens if I miss a dose?
Since acetaminophen and pentazocine is taken as needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of acetaminophen and pentazocine can be fatal.
Overdose symptoms may include extreme drowsiness, anxiety, nightmares, pinpoint pupils, nausea, vomiting, dark urine, jaundice (yellowing of the skin or eyes), confusion, fainting, weak pulse, coma, blue lips, shallow breathing, or no breathing.
What should I avoid while taking acetaminophen and pentazocine?
This medication may cause blurred vision or impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert and able to see clearly. Ask a doctor or pharmacist before using any other cold, allergy, pain, or sleep medication. Acetaminophen (sometimes abbreviated as APAP) is contained in many combination medicines. Taking certain products together can cause you to get too much acetaminophen which can lead to a fatal overdose. Check the label to see if a medicine contains acetaminophen or APAP. Avoid drinking alcohol while taking acetaminophen and pentazocine. Alcohol may increase your risk of liver damage while taking acetaminophen. Smoking tobacco can make acetaminophen and pentazocine less effective.
Acetaminophen and pentazocine side effects
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 (convulsions);
easy bruising or bleeding; or
nausea, stomach pain, loss of appetite, itching, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).
Less serious side effects may include:
feeling dizzy or drowsy;
mild nausea, vomiting, upset stomach, constipation, diarrhea;
dry mouth; or
blurred vision.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Acetaminophen and pentazocine Dosing Information
Usual Adult Dose for Pain:
Mild to moderate pain: 1 tablet orally every 4 hours as needed for pain relief
Maximum dose: 6 tablets/24 hours
What other drugs will affect acetaminophen and pentazocine?
Cold or allergy medicine, sedatives, sleeping pills, muscle relaxers, and medicine for seizures, depression or anxiety can add to sleepiness caused by pentazocine. Tell your doctor if you regularly use any of these medicines, or any other narcotic medicine.
Tell your doctor about all other medications you are using, especially:
glycopyrrolate (Robinul);
mepenzolate (Cantil);
naloxone (Narcan);
atropine (Donnatal, and others), benztropine (Cogentin), dimenhydrinate (Dramamine), methscopolamine (Pamine), or scopolamine (Transderm-Scop);
bladder or urinary medications such as darifenacin (Enablex), flavoxate (Urispas), oxybutynin (Ditropan, Oxytrol), tolterodine (Detrol), or solifenacin (Vesicare);
a bronchodilator such as ipratropium (Atrovent) or tiotropium (Spiriva);
irritable bowel medications such as dicyclomine (Bentyl), hyoscyamine (Anaspaz, Cystospaz, Levsin, and others), or propantheline (Pro-Banthine);
a phenothiazine such as chlorpromazine (Thorazine), fluphenazine (Permitil, Prolixin), perphenazine (Trilafon), prochlorperazine (Compazine, Compro), promethazine (Pentazine, Phenergan, Anergan, Antinaus), thioridazine (Mellaril), or trifluoperazine (Stelazine); or
if you have taken an MAO inhibitor in the past 14 days, such as furazolidone (Furoxone), isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam, Zelapar), or tranylcypromine (Parnate).
This list is not complete and other drugs may interact with acetaminophen and pentazocine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
More acetaminophen and pentazocine resources
- Acetaminophen and pentazocine Side Effects (in more detail)
- Acetaminophen and pentazocine Dosage
- Acetaminophen and pentazocine Use in Pregnancy & Breastfeeding
- Drug Images
- Acetaminophen and pentazocine Drug Interactions
- Acetaminophen and pentazocine Support Group
- 1 Review for Acetaminophen and pentazocine - Add your own review/rating
Compare acetaminophen and pentazocine with other medications
- Pain
Where can I get more information?
- Your pharmacist has information about acetaminophen and pentazocine.
See also: acetaminophen and pentazocine side effects (in more detail)
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