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Micromedex DrugNotes [Internet]. Truven Health Analytics, an IBM company; 1974-2018.

Micromedex DrugNotes [Internet].

Acetazolamide (By mouth)

Acetazolamide (a-seet-a-ZOLE-a-mide)

Published: January 1, 2018.

Treats glaucoma, epilepsy, mountain sickness, and edema (swelling).

Brand Name(s)

Diamox Sequels

There may be other brand names for this medicine.

When This Medicine Should Not Be Used

You should not use this medicine if you have had an allergic reaction to acetazolamide or related medicine such as methazolamide (Neptazane®) or dichlorphenamide (Daranide®).

How to Use This Medicine

Tablet, Long Acting Capsule

  • Your doctor will tell you how much to use and how often.
  • Use this medicine exactly as your doctor ordered.
  • May be taken with or without food.
  • Swallow the extended-release capsule whole. Do not chew, crush, or open.
  • You will need to go to the bathroom more often while you are taking this medicine. To keep from having to go too often during the night, take this medicine in the morning. If you use more than 1 dose a day, take your last dose before 6 p.m. (unless your doctor tells you differently).

If a dose is missed:

  • Use the missed dose as soon as you remember.
  • If it is almost time for your next dose, wait until then to use your medicine and skip the missed dose.
  • You should not use two doses at the same time.

How to Store and Dispose of This Medicine:

  • Store at room temperature, away from heat, moisture, and direct light.
  • Keep all medicine out of the reach of children.

Drugs and Foods to Avoid

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine

  • Check with your doctor before taking if you have lung, kidney, or liver disease, diabetes, gout, or a poorly working adrenal gland (Addison's disease).
  • Talk with your doctor before use if you are pregnant or breastfeeding.
  • If you use acetazolamide for seizures, do not stop taking this medicine suddenly. You may need to use smaller and smaller doses before completely stopping the medicine.
  • Acetazolamide can make you dizzy or drowsy. Be careful if you drive a car or operate machinery.
  • You may need to eat or drink foods containing potassium, such as citrus juices, oranges, or bananas, to prevent potassium loss while taking this medicine - check with your doctor.
  • This medicine may increase the level of sugar in your blood or urine, which can worsen diabetes.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:

If you notice these less serious side effects, talk with your doctor:

If you notice other side effects that you think are caused by this medicine, tell your doctor.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

© 2017 Truven Health Analytics LLC Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.


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