Generic name: Acetazolamide.

Other brand names: Ak-Zol, Dazamide, Diamox Sequels.

Diamox is a carbonic anhydrase inhibitor. It has the effect of a weak diuretic. 

Quick Facts About Diamox


Used to treat glaucoma, epilepsy, and fluid retention due to congestive heart failure or drugs. Also used to treat acute mountain sickness.

Diamox Dosage

Take exactly as prescribed.

  • Usual adult dose: for glaucoma — 250 milligrams to 1 gram per 24 hours, in 2 or more smaller doses. For secondary glaucoma — 250 milligrams every 4 hours. Diamox Sequels — 1 capsule (500 milligrams) twice a day, in the morning and evening. For epilepsy — 8 to 30 milligrams per 2.2 pounds of body weight in 2 or more doses. Typical dosage is 375 to 1,000 milligrams per day. For congestive heart failure — 250 milligrams to 375 milligrams per day or 5 milligrams per 2.2 pounds of body weight, taken in the morning. Works best when taken every other day. For edema due to medication — 250 milligrams to 375 milligrams daily for I or 2 days, followed by a day of rest. For acute mountain sickness — 500 milligrams to 1,000 milligrams a day in 2 or more doses. Therapy should start 1 or 2 days prior to reaching high altitudes.
  • Usual child dose: for epilepsy — 8 milligrams to 30 milligrams per 2.2 pounds of body weight
  • Missed dose: take as soon as possible, unless almost time for next dose. In that case, do not take missed dose; go back to regular schedule. Do not double doses.

Diamox Side Effects

Overdose symptoms:

no specific information available. If you suspect an overdose, immediately seek medical attention.

More common side effects: change in taste or metallic taste, diarrhea, increase in the amount or frequency of urination, loss of appfetite, nausea, ringing in the ears, tingling or pins and needles in hands or feet, vomiting.

Less common or rare Diamox side effects: anemia, black or bloody stools, blood in urine, confusion, convulsions, drowsiness, fever, hives, liver dysfunction, nearsightedness, paralysis, rash, sensitivity to light, severe allergic reaction, skin peeling.


Inform your doctor before combining Diamox with:

amitriptyline (Elavil); amphetamines such as Dexedrine; aspirin; cyclosporine (Sandimmune); lithium (Lithonate); methenamine (Urex); oral diabetes drugs such as Micronase; quinidine (Quinidex).

No known food/other substance interactions. 

Special Cautions

If pregnant or planning to become pregnant, inform your doctor immediately. May appear in breast milk, could affect a nursing infant.

Seniors should use with caution.

Follow doctor’s instructions carefully for children.

  • Do not take Diamox if you have serious liver, kidney, or Addison’s disease; low blood sodium; low potassium.
  • Development oft rash, sore throat bruises, or fever may signal allergic reaction. Immediately contact your doctor if you experience any of these.
  • If you are taking large doses of aspirin, use caution when combining with Diamox.
  • If you have emphysema or other breathing disorders, use this medication with caution.
  • Long-term use for chronic noncongestive angle-closure glaucoma should be avoided.
  • If you take Diamox to help in rapid ascent of a mountain, must come down promptly if signs of severe mountain sickness appear.


HealthSurvey.org provides accurate and independent information prescription pills, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. If you have questions about  dosage, or Diamox side effects, please contact your healthcare provider.