Acetazolamide ER Side Effects
What should I watch for?
Visit your doctor or health care professional for regular checks on your progress. You will need blood work done regularly. If you are diabetic, check your blood sugar as directed.
You may need to be on a special diet while taking this medicine. Ask your doctor. Also, ask how many glasses of fluid you need to drink a day. You must not get dehydrated.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.
Common and Rare Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Shortness of breath or trouble in breathing
Check with your doctor as soon as possible if any of the following side effects occur:
Unusual tiredness or weakness
Blood in urine
pain in lower back
pain or burning while urinating
sudden decrease in amount of urine
Bloody or black, tarry stools
clumsiness or unsteadiness
darkening of urine
ringing or buzzing in the ears
unusual bruising or bleeding
yellow eyes or skin
Also, check with your doctor if you have any changes in your vision (especially problems with seeing faraway objects) when you first begin taking this medicine.
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
general feeling of discomfort or illness
increase in frequency of urination or amount of urine (rare with methazolamide)
loss of appetite
metallic taste in mouth
nausea or vomiting
numbness, tingling, or burning in hands, fingers, feet, toes, mouth, lips, tongue, or anus
Less common or rare
dizziness or lightheadedness
feeling of choking or lump in the throat
increased sensitivity of eyes to sunlight
loss of taste and smell
nervousness or irritability
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.