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Neptazane Side Effects

Generic Name: methazolamide

Note: This page contains side effects data for the generic drug methazolamide. It is possible that some of the dosage forms included below may not apply to the brand name Neptazane.

For the Consumer

Applies to methazolamide: oral tablets

Side effects include:

Paresthesia, hearing dysfunction or tinnitus, fatigue, malaise, anorexia, altered taste, nausea, vomiting, diarrhea, polyuria, drowsiness, confusion.

For Healthcare Professionals

Applies to methazolamide: compounding powder, oral tablet

Nervous system

Frequency not reported: Paresthesias, hearing dysfunction or tinnitus, taste alteration, drowsiness, flaccid paralysis, convulsions[Ref]


Frequency not reported: Gastrointestinal disturbances, nausea, vomiting, diarrhea, melena[Ref]


Frequency not reported: Polyuria, glycosuria, crystalluria[Ref]


Frequency not reported: Loss of appetite, metabolic acidosis, electrolyte imbalance[Ref]


Frequency not reported: Urticaria, photosensitivity[Ref]


Frequency not reported: Fatigue, malaise[Ref]


Frequency not reported: Hepatic insufficiency[Ref]


Frequency not reported: Sulfonamide reactions[Ref]


Frequency not reported: Transient myopia[Ref]


Frequency not reported: Confusion[Ref]


Frequency not reported: Renal calculi[Ref]


1. "Product Information. Neptazane (methazolamide)." Wyeth-Ayerst Laboratories, Philadelphia, PA.

It is possible that some side effects of Neptazane may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.