Acetazolamide (Generic) Tablets, 250-mg, 1 tablet

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Acetazolamide is a diuretic (water pill) used to treat elevated potassium levels in horses with HYPP (Hyperkalemic Periodic Paralysis), an inherited disease. Acetazolamide is also sometimes prescribed by veterinarians for the treatment of glaucoma in dogs and cats.


Acetazolamide is used sometimes for metabolic alkalosis or glaucoma in small animals and hyerkalemic periodic paralysis (HYPP) in horses.

Possible Side Effects

Please contact your veterinarian immediately if you notice any of the following reactions: gastrointestinal upset, central nervous system effects such as sleepiness, weakness, or excitement, blood effects such as low blood cell counts, kidney effects such as increased drinking, crystal formation, or urination problems, electrolyte effects, high blood sugar, liver effects, skin effects such as a rash, and allergic reactions.

Drug & Food Interactions

Talk to your veterinarian about any other drugs your pet is taking before starting this medication, including aspirin, cyclosporine, digoxin, insulin, methenamine compounds, and drugs affecting potassium.


Acetazolamide should be used with caution in patients with severe respiratory acidosis or those with preexisting hematologic abnormalities. Decreased exercise capacity, hypercapnia, and respiratory acidosis may occur in healthy horses during exercise with chronic, high dose administration. Use of acetazolamide with antibacterial sulfonamides or furosemide may cause cross sensitivities.

This drug is FDA-approved for human use. However, it is common practice for veterinarians to prescribe such drugs for use in dogs, cats & horses.

  1. Prescribing Information

See all items by Acetazolamide

  • Item Number
  • Dosage Measure
    Use according to your veterinarian's instructions. 
  • Generic Name
  • Common Brand Name(s)
  • For Use With
    Dogs, Cats & Horses
  • Product Form
  • Health Condition
  • Drug Type
    Inhibitor/Blocker, Diuretic


Recommended Dosage

Consult with your veterinarian for dosage information.

Storage Instructions

Store at 68° to 77°F.


What is Acetazolamide?

Acetazolamide can be used to treat metabolic alkalosis or glaucoma in small animals and hyerkalemic periodic paralysis (HYPP) in horses.

How is this medication given?

Acetazolamide should be given exactly according to your veterinarian's instructions. Horses must have access to water and food while taking this medication.

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