This medication is an opioid analgesic, prescribed for moderate to severe pain, for example labor pain, before and during a surgical operation. It changes the way the body senses pain.
Contraindicated to pregnant and breastfeeding women.
Adult: PO- Moderate to severe acute pain -50-150 mg 4 hourly.
IV- Adjunct to anesthetic- 10-25 mg.
IV/IM/SC- Moderate to severe acute pain- 25-100 mg 4 hourly.
IM/SC- Obstetric analgesia- 50-100 mg as soon as contractions occur at regular intervals; repeat after 1-3 hr if needed. Max: 400 mg/24 hour.
Pre-op medication 25-100 mg 1 hour pre-op.
Post-op pain-25-100 mg 2-3 hourly if needed.
It comes as a solution for injection, to be administered by a healthcare provider into the vein or large muscle.
• Caution should be exercised in patients with history of severe respiratory problems, fits, head injuries, increased eye pressure, heart or liver problems, diabetes, depression, genetic disorder, any allergy, who are taking other medications, elderly and children.
• It may cause dizziness or drowsiness, do not drive a car or operate machinery while taking this medication.
• Avoid abrupt withdrawal.
• Most Common:
Nausea, vomiting, constipation, drowsiness, dizziness, dry mouth and sweating.
• Central Nervous System: Nervousness, headache, restlessness, uneasiness, fatigue, confusion, depression, hallucinations, tremors, muscle twitches, increased intracranial pressure and fits.
• Skin: Rash and hives.
• Gastrointestinal: Loss of appetite, stomach cramps, muscle spasm and spincture muscle dysfunction.
• Miscellaneous: Weakness, decreased urination, difficulty in breathing and pain at injection site.
Avoid alcohol consumption while taking this medication.
Avoid excess dosage.
Store it at room temperature (15°- 25° C). Do not freeze and protect from light.
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