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Diamox Sequels Side Effects

Generic Name: acetazolamide

Note: This document contains side effect information about acetazolamide. Some of the dosage forms listed on this page may not apply to the brand name Diamox Sequels.

For the Consumer

Applies to acetazolamide: oral capsules, oral tablets, parenteral powder for injection

Side effects include:

Paresthesias, hearing dysfunction or tinnitus, anorexia, altered taste, nausea, vomiting, diarrhea, polyuria, drowsiness, confusion.

For Healthcare Professionals

Applies to acetazolamide: compounding powder, injectable powder for injection, intravenous powder for injection, oral capsule extended release, oral tablet


Adverse reactions occurring early in therapy have included paresthesias, tinnitus, nausea, vomiting, diarrhea, and drowsiness.[Ref]


Frequency not reported: Anaphylactic/anaphylactoid reactions including shock and fatalities[Ref]


Frequency not reported: Blood dyscrasias such as aplastic anemia, agranulocytosis, leucopenia, thrombocytopenia, and thrombocytopenia purpura[Ref]


Frequency not reported: Loss of appetite, electrolyte disturbances, metabolic acidosis and hypokalemia with long term therapy, hyponatremia osteomalacia with long-term therapy, hyper/hypoglycemia[Ref]


Rare (0.01% to 0.1%): Photosensitivity
Frequency not reported: Skin reactions, Stevens-Johnson syndrome, toxic epidermal necrolysis, urticaria, rash including erythema multiforme[Ref]


Frequency not reported: Nausea, vomiting, diarrhea, melena[Ref]


Frequency not reported: Abnormal liver function, cholestatic jaundice, fulminant hepatic necrosis, hepatitis[Ref]

Nervous system

Very common (10% or more): Paresthesias (up to 20%)
Frequency not reported: Drowsiness, headache, dizziness, taste alteration, ataxia, flaccid paralysis, convulsions, sensory disturbances[Ref]


Frequency not reported: Confusion, irritability, depression, excitement, reduced libido[Ref]


Frequency not reported: Transient myopia[Ref]


Frequency not reported: Renal colic, increased risk of nephrolithiasis, renal failure[Ref]


Frequency not reported: Polyuria, polydipsia, crystalluria, renal calculi, hematuria, glycosuria[Ref]


Frequency not reported: Growth retardation in children[Ref]


Frequency not reported: Flushing, malaise, thirst, fatigue, fever, hearing disturbances[Ref]


Frequency not reported: Injection site pain[Ref]


1. "Product Information. Diamox Sequels (acetaZOLAMIDE (acetazolamide))." Barr Pharmaceuticals Inc, Pomona, NY.

2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0

3. "Product Information. Acetazolamide for Injection (acetaZOLAMIDE (acetazolamide))." Sterimax Inc, Kingston, OR.

4. "Product Information. AcetaZOLAMIDE (acetaZOLAMIDE (acetazolamide))." Taro Pharmaceuticals U.S.A. Inc, Hawthorne, NY.

5. Cerner Multum, Inc. "Australian Product Information." O 0

Some side effects of Diamox Sequels may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

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.