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You are here : 3-RX.com > Drugs & Medications > Detailed Drug Information (USP DI) > Carbonic Anhydrase Inhibitors : Side Effects

Carbonic Anhydrase Inhibitors (Systemic)

Carbonic Anhydrase Inhibitors | Before Using | Proper Use | Precautions | Side Effects

Side Effects of This Medicine

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 either of the following side effects occurs:


        Shortness of breath or trouble in breathing

    Also, check with your doctor as soon as possible if any of the following side effects occur:

      More common

        Unusual tiredness or weakness

      Less common

        Blood in urine; difficult urination; mental depression; pain in lower back; pain or burning while urinating; sudden decrease in amount of urine


        Bloody or black, tarry stools; clumsiness or unsteadiness; confusion; convulsions (seizures); darkening of urine; fever; hives, itching of skin, skin rash, or sores; muscle weakness (severe); pale stools; ringing or buzzing in the ears; sore throat; trembling; unusual bruising or bleeding; yellow eyes or skin

      Symptoms of too much potassium loss

        Dryness of mouth; increased thirst; irregular heartbeats; mood or mental changes; muscle cramps or pain; nausea or vomiting; unusual tiredness or weakness; weak pulse

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.

Other 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. However, check with your doctor if any of the following side effects continue or are bothersome:

    More common

      Diarrhea; 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; weight loss

    Less common or rare

      Constipation; dizziness or lightheadedness; drowsiness; feeling of choking or lump in the throat; headache; increased sensitivity of eyes to sunlight; loss of taste and smell; nervousness or irritability

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.

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Carbonic Anhydrase Inhibitors: Precautions


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