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Acetazolamide
Pronounced ah-seet-ah-ZOL-ah-mide
Brand names: Diamox
Type: Carbonic anhydrase inhibitor (water pill) · All Heart & Blood Pressure Medicines
What Acetazolamide is used for
- Altitude sickness prevention
- Glaucoma
- Fluid buildup in some heart and kidney conditions
- Certain seizure types
◆ Kidney note
Avoided when kidney function is severely reduced; it can also raise the risk of kidney stones.
Common side effects
- Tingling in fingers and toes
- Frequent urination
- Changes in taste
- Drowsiness
Important cautions
- Can upset the acid balance and salts in the blood — blood tests are monitored
- Related to sulfa medicines — allergy history matters
How it comes
Tablets, extended-release capsules, injection (hospital). This guide lists forms only — it never lists strengths or doses.
Toxicity lists: Acetazolamide also appears on Medicines That Can Harm the Kidneys.
Related medicines — Heart & Blood Pressure Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.