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Acetazolamide: uses, side effects & brands
Acetazolamide lowers eye and brain pressure and helps altitude sickness. It belongs to the Diuretic (extra) group. These specialised diuretics are used for eye pressure, brain swelling or specific salt problems.
Drug type — dosing is set by your doctor
| Measure | Range |
|---|---|
| Drug class | Diuretic (extra) |
| Type | Prescription |
| Dose | Individual — ask your doctor or pharmacist |
What it is used for
- Glaucoma, to lower eye pressure
- Preventing altitude sickness
- Raised pressure around the brain (idiopathic intracranial hypertension)
- Some types of epilepsy
Common brand names
- India: Diamox, Iopar
- Worldwide: Diamox
Common side effects
- Tingling in fingers and toes
- Passing more urine
- Altered taste; fizzy drinks may taste flat
- Tiredness or loss of appetite
Before taking it — precautions
- Tell your doctor if you are allergic to sulfa medicines
- Tell your doctor about kidney stones, or kidney or liver disease
- Tell your doctor if you take high-dose aspirin
When to see a doctor urgently
- Severe skin rash or blistering (urgent)
- Severe side or back pain, or blood in urine (kidney stone)
- Fever, sore throat, or unusual bruising or bleeding
Not a prescription — no dose shown. The right dose of acetazolamide depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
Does it replace slow climbing at altitude?
No. Gradual ascent is still key, and severe altitude symptoms mean going down and seeking help.
Is the tingling dangerous?
Tingling in hands and feet is a common, usually harmless side effect.
Why do fizzy drinks taste odd?
Acetazolamide changes how the tongue senses carbonation, making them taste flat or metallic.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.