Acetazolamide

Drug Class:	Commonly Known As:	Category:
	Diamox

Acetazolamide - Side Effects, Precautions, and Contraindications

What side effects can Acetazolamide cause?

Like all medicines, this medication may cause some possible side effects but not everyone experiences them. Consult your healthcare professional if any of the side effects lasts more than a few days or become severe and bothersome.

The common side effects of Acetazolamide include:

Dizziness

Get up slowly from sitting or lying down position

Drowsiness

Avoid driving or engaging in activities (such as cycling or swimming) that requires concentration

Diarrhoea

Drink more water to replace loss of fluids

Nausea, vomiting

Take the medication with or after food to reduce nausea and vomiting
Avoid food that is too rich, spicy or has strong smells

Headache

Take paracetamol if needed to relieve headache

Loss of appetite, abdominal pain, taste disturbance (bitter taste)
Increased sensitivity to sunlight

Put on some sunscreen or wear long sleeves or pants to protect the skin

Irritability, feeling nervous and excitable
Muscle weakness, poor muscle coordination or numbness in the hands and feet (“pins and needles” sensation)

If the following serious side effects happen, you should consult your healthcare professional immediately:

Blistering, peeling, red skin rash due to Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN)

SJS and TEN are rare and serious skin reactions. Symptoms include face swelling, blisters on skin, skin rashes that spread within hours to days. It usually occurs within the first few months (monitor closely for the first 3 months) of treatment.
As SJS and TEN progress rapidly, please consult your healthcare professional if you show the first sign of a rash.

Persistent blurred vision and/or eye pain, change in eyesight
Difficulty or pain when passing urine or blood in urine
Yellowing of the skin or eyes, or dark urine
Unusual bleeding or bruises
Prolonged fever, cough or mouth sores
Signs of too much acid in the blood: feeling confused, fast breathing, fast heartbeat, bad stomach pain, feeling very sleepy, shortness of breath or feeling very tired or weak

The symptoms of a drug allergy include one or more of the following: