Acetazolamide
Generic Name: acetazolamide
Brand Names:
Acetazolamide
Acetazolamide extended-release capsules are an inhibitor of the enzyme carbonic anhydrase. It is a prescription medication used for treating glaucoma and preventing altitude sickness.
Overview
Acetazolamide extended-release capsules are an inhibitor of the enzyme carbonic anhydrase. It is a prescription medication used for treating glaucoma and preventing altitude sickness.
Uses
For treating chronic open-angle glaucoma, secondary glaucoma, and preoperative acute angle-closure glaucoma. Also indicated for preventing acute mountain sickness symptoms.
Dosage
Glaucoma: 1 capsule (500 mg) twice daily. Acute mountain sickness: 500-1,000 mg daily in divided doses, initiated 24-48 hours before ascent. Dosage should be adjusted according to clinical response.
Side Effects
Adverse reactions include headache, nausea, vomiting, drowsiness, paresthesia (tingling), blood dyscrasias, Stevens-Johnson syndrome, and transient myopia.
Interactions
Interactions noted with aspirin, phenytoin, primidone, lithium, methenamine, quinidine, cyclosporine, and sodium bicarbonate. Monitor closely when used concurrently with these medications.
Warnings
Fatalities have occurred, although rarely, due to severe reactions to sulfonamides. High-dose aspirin combination risks include metabolic acidosis and death. Contraindicated with depressed sodium or potassium levels, severe kidney or liver disease, cirrhosis, and chronic angle-closure glaucoma.
Pregnancy
Acetazolamide has been shown to be teratogenic in mice, rats, hamsters, and rabbits. Should be used during pregnancy only if the potential benefit justifies the risk to the fetus.
Storage
Store at 20-25 degrees C (68-77 degrees F) in well-closed containers.
Frequently Asked Questions
What is Acetazolamide used for?▼
For treating chronic open-angle glaucoma, secondary glaucoma, and preoperative acute angle-closure glaucoma. Also indicated for preventing acute mountain sickness symptoms.
What are the side effects of Acetazolamide?▼
Adverse reactions include headache, nausea, vomiting, drowsiness, paresthesia (tingling), blood dyscrasias, Stevens-Johnson syndrome, and transient myopia.
Can I take Acetazolamide during pregnancy?▼
Acetazolamide has been shown to be teratogenic in mice, rats, hamsters, and rabbits. Should be used during pregnancy only if the potential benefit justifies the risk to the fetus.
What are the important warnings for Acetazolamide?▼
Fatalities have occurred, although rarely, due to severe reactions to sulfonamides. High-dose aspirin combination risks include metabolic acidosis and death. Contraindicated with depressed sodium or potassium levels, severe kidney or liver disease, cirrhosis, and chronic angle-closure glaucoma.
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.