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Pentazo IM/IV/SC30mg/ml

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General Pharmaceuticals Ltd.
Generic: Pentazocine Hydrochloride
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descriptionSafety Advices
It is unsafe to consume alcohol with Pentazo IM/IV/SC.
Pentazo IM/IV/SC may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the d... View More
Pentazo IM/IV/SC is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the ... View More
Pentazo IM/IV/SC may cause side effects which could affect your ability to drive. Pentazo IM/IV/SC may cause sedation especially if taken with alcohol. ... View More
Pentazo IM/IV/SC should be used with caution in patients with kidney disease. Dose adjustment of Pentazo IM/IV/SC may be needed. Please consult your doc... View More
Pentazo IM/IV/SC should be used with caution in patients with liver disease. Dose adjustment of Pentazo IM/IV/SC may be needed. Please consult your doct... View More
descriptionMedical Overview


Pentazo IM/IV/SC is a pain relieving medicine. It is used to manage persistent, moderate to severe chronic pain that requires continuous, around-the-clo... View More

Uses of Pentazo IM/IV/SC

  • Moderate to severe pain

Side effects of Pentazo IM/IV/SC

  • Headache
  • Dizziness
  • Sleepiness
  • Vomiting
  • Nausea
  • Constipation

How to use Pentazo IM/IV/SC

Your doctor or nurse will give you this medicine. Kindly do not self administer.

How Pentazo IM/IV/SC works

Pentazo IM/IV/SC is an opioid analgesic (pain reliever) which works by blocking transmission of pain signals to the brain to lower pain perception.

What if you forget to take Pentazo IM/IV/SC?

If you miss a dose of Pentazo IM/IV/SC, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back ... View More

quick tipsQuick Tips
  • Use Pentazo IM/IV/SC as instructed by your doctor. Never take in greater amounts or more often than prescribed.
  • It causes sleepiness or drowsiness. If this happens to you, do not drive or use machinery.
  • Avoid consuming alcohol when taking the Pentazo IM/IV/SC, as it may cause excessive sleepiness or drowsiness.
  • Inform your doctor if you have ever been diagnosed with kidney or liver problems.
  • Store opioid pain relievers in a safe place and out of reach of others.
descriptionBrief Description


Moderate to severe pain


Should be taken with food. Take after meals.

Adult Dose

Oral Moderate to severe pain Adult: 50-100 mg every 3-4 hrs; max 600 mg daily. Hepatic impairment: Reduce dose or avoid in liver disease.

Child Dose

Oral Moderate to severe pain Child: 6-12 yr: 25 mg every 3-4 hr.

Renal Dose

Renal impairment: CrCl (ml/min) Dosage Recommendation 10-50 75% normal dose. <10 50% normal dose.


Head injury; narcotic dependence; respiratory depression; raised intracranial pressure; MI; heart failure; arterial or pulmonary hypertension; porphyria... View More

Mode of Action

Pentazocine is a benzomorphan derivative with mixed opioid agonist and antagonist actions. It alters perception of and response to pain and produces gen... View More


May precipitate withdrawal in narcotic addicts. Impaired respiratory, renal and hepatic function; morbidly obese patients; thyroid dysfunction; prostati... View More

Side Effect

Physical dependence; sedation, dizziness, euphoria, lightheadedness, alterations of mood; respiratory depression; visual hallucinations, disorientation,... View More

Pregnancy Category Note

Pregnancy Category: C; D if used for prolonged periods or near term


Depressant affects potentiated by alcohol, CNS depressants; concurrent use with fluoxetine may lead to diaphoresis, ataxia flushing and tremor associate... View More


The information provided herein is accurate, updated and complete as per the best practices of the Company. Please note that this information should not... View More

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