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Acetaminophen and Pentazocine Side Effects

Potential side effects of acetaminophen and pentazocine include constipation, dizziness, and drowsiness. In many cases, reactions of the medication are minor and either do not require medical attention or can be treated easily. However, certain side effects are potentially serious and should be reported to your healthcare provider immediately, including irregular breathing, signs of an infection, or depression or other changes in mood.

An Introduction to Side Effects of Acetaminophen and Pentazocine

Just like any medicine, acetaminophen and pentazocine (Talacen®) can cause side effects. However, not everyone who takes the medication will have problems. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with acetaminophen and pentazocine. Your healthcare provider can discuss a more complete list with you.)

Serious Acetaminophen and Pentazocine Side Effects

Some side effects of acetaminophen and pentazocine are potentially serious and should be reported immediately to your healthcare provider. These include but are not limited to:
  • The urge to take more acetaminophen and pentazocine than prescribed or take it for a non-medical purpose
  • High blood pressure (hypertension) or low blood pressure (hypotension)
  • Dizziness or fainting
  • A fast heartbeat (tachycardia)
  • Slowed, shallow, or irregular breathing
  • Seeing or hearing things that are not real (hallucinations)
  • Feeling disoriented or confused
  • Seizures
  • Abdominal (stomach) pain
  • Yellowing of the skin or whites of the eyes (jaundice)
  • Severe or persistent constipation
  • Changes in mood or behavior, such as:
    • Depression
    • Irritability
    • Agitation
    • Unusual excitement
  • Unexplained skin rash, redness, or itching
  • Difficulty urinating or less frequent urination
  • Numbness, burning, pricking, or tingling sensations of the skin
  • Signs of an allergic reaction, such as:
    • An unexplained rash
    • Hives
    • Itching
    • Swelling of the mouth or throat
    • Wheezing
    • Difficulty breathing.  
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Acetaminophen and Pentazocine Information

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