Prescription onlyLower-cost generic available



Prescription onlyLower-cost generic available
  • Pill
  • Extended release
Back to: Full Site NavigationSkip to: side effects sectionSkip to: What to expect sectionSkip to: Risks and warnings sectionSkip to: Common concerns from users and pharmacists

Treats edema, glaucoma, and seizures.

Skip Upsides & Downsides section. Skip to side effects section.

Our bottom line

Diamox (Acetazolamide) is used to treat and prevent mountain sickness, as well as to lower the amount of fluid in the eye and legs.

Price and discounts


  • Considered as a first choice treatment for mountain sickness.
  • Most people don't have many side effects, except for more frequent urination.
  • Available as a generic medication, so it should be reasonably priced.


  • If you're using it for swelling of the legs, it's not as good as other water pills, like hydrochlorothiazide (HCTZ).
  • If you're using Diamox (Acetazolamide) for mountain sickness, try not stay at high altitudes for too long.
Skip side effects section. Skip to What to Expect and Pharmacists Tips section.

Side effect rates for Diamox (Acetazolamide)

0 reports
These are side effects of Diamox (Acetazolamide) reported to the FDA by people taking it, and by doctors and pharmacists.
Filter group. All currently selected
Filter group. All currently selected

Risks and Warnings for Diamox (Acetazolamide)

Skip risks section. Skip to common concerns section.
    • Higher risk if:
    • Women of childbearing age

    Diamox (Acetazolamide) has been shown to be cause birth defects. It should be used in pregnancy only if the potential benefit justifies the potential risk to the fetus.

Common concerns from people taking Diamox (Acetazolamide)

Final section. Do you want to return to drug navigation?
  • Can make you tired and drowsy the first few days, so be careful driving or doing anything that requires concentration.