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Talacen Oral

Generic Name: PENTAZOCINE/ACETAMINOPHEN - ORAL
Pronounced: (pen-TAZZ-oh-seen/uh-seet-uh-MEE-no-fen)

Talacen Oral Interactions

Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.

This drug should not be used with the following medications because very serious interactions may occur:

  • naltrexone
  • sibutramine


If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting pentazocine/acetaminophen.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of:

  • cimetidine
  • fluoxetine
  • other medications for pain
  • MAO inhibitors (e.g., furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine)
  • phenothiazines (e.g., chlorpromazine, prochlorperazine, promethazine)
  • fusidic acid


Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as:

  • certain antihistamines (e.g., diphenhydramine)
  • anti-seizure drugs (e.g., carbamazepine)
  • medicine for sleep or anxiety (e.g., alprazolam, diazepam, zolpidem)
  • muscle relaxants
  • narcotic pain relievers (e.g., codeine)
  • psychiatric medicines (e.g., risperidone, amitriptyline, trazodone)


Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.

Acetaminophen is an ingredient in many nonprescription products and in some combination prescription medications. Read the labels carefully before taking other pain relievers, fever reducers, or cold products to see if they also contain acetaminophen. Consult your pharmacist if you are uncertain whether your other prescription or nonprescription products contain acetaminophen. (See also Side Effects section.)

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

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