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Acetazolamide

Acetazolamide is a covered generic medication on Tab's $0 list. Here's what it's used for, typical dosing, and side effects, sourced from FDA-approved drug labeling.

$0 with active Tab membership Oral Carbonic Anhydrase Inhibitor [EPC]

What it's used for

This medication is used as an adjunctive treatment for fluid retention due to heart failure or drug use. It is also prescribed for certain types of epilepsy, glaucoma, and the prevention of acute mountain sickness.

Source: U.S. FDA-approved prescribing information (openFDA).

Typical dosing

The dosage for chronic open-angle glaucoma ranges from 250 mg to 1 gram per 24 hours, usually taken in divided doses.

Dosing shown here is the general FDA-labeled range. Your prescribing clinician determines the exact dose, form, and schedule for you — this is not a substitute for medical advice.

Boxed warning / key safety info

Rare and severe reactions to sulfonamides, including fatal skin syndromes, liver necrosis, and blood disorders, have occurred.

Common side effects

Common side effects include headache, fatigue, fever, flushing, and gastrointestinal disturbances like nausea, vomiting, and diarrhea.

Covered strengths on the Tab $0 list

Acetazolamide 500mg ER Capsule

Covered at $0 with an active Tab membership when filled at a participating pharmacy nationwide or through mail order. A licensed clinician must prescribe the medication.

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Tab is a membership and prescription-discount program—not insurance, and not a substitute for it. $0 pricing applies to medications on the current covered generic list with active membership, at participating pharmacy locations nationwide or through mail order, and is subject to change. Mail-order home delivery is preferred for recurring prescriptions; activation, availability, and delivery timing apply. This page is for general reference, drawn from FDA-approved drug labeling, and is not medical advice. Only a licensed clinician can determine if a medication is right for you.