Precautions
Drug information provided by: Merative, Micromedex®
It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly and to decide if you should continue to take it. Blood and urine tests may be needed to check for unwanted effects.
Make sure your doctor knows if you are also taking potassium supplements or salt substitutes containing potassium, or certain diuretics such as amiloride (Midamor®, Moduretic®), spironolactone (Aldactazide®, Aldactone®), or other products containing triamterene. Using these medicines together may cause serious problems.
This medicine may increase the amount of potassium in your blood (hyperkalemia). Check with your doctor right away if you have stomach pain, confusion, irregular heartbeat, nausea or vomiting, nervousness, numbness or tingling in the hands, feet, or lips, trouble breathing, or weakness or heaviness of the legs.
Check with your doctor immediately if blurred vision, difficulty in reading, eye pain, or any other change in vision occurs during or after treatment. Your doctor may want you to have your eyes checked by an ophthalmologist (eye doctor).
This medicine may affect blood sugar levels. Check with your doctor if you notice a change in the results of your blood or urine sugar tests.
This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert. Dizziness may be worse if you lose too much water from your body. You can lose water by sweating, having diarrhea, or vomiting. Tell your doctor if this medicine makes you feel lightheaded or dizzy after you have been vomiting or had diarrhea.
Check with your doctor right away if you experience drowsiness, fainting, confusion, muscle pain, weakness, and/or a fast heartbeat. Use extra care if you exercise or if the weather is hot. Heavy sweating can cause dehydration (loss of too much water) or electrolyte imbalances (loss of sodium, potassium, or magnesium in the body).
This medicine may increase your risk of getting skin cancer (eg, non-melanoma skin cancer). Avoid sun exposure. Use a sunscreen when you are outdoors. Avoid sunlamps and tanning beds. Talk to your doctor if you have concerns about this risk.
This medicine may cause serious kidney problems, including kidney stones. Check with your doctor right away if you have lower back or side pain, decreased frequency or amount of urine, bloody urine, increased thirst, loss of appetite, nausea, vomiting, unusual tiredness or weakness, swelling of the face, fingers, or lower legs, weight gain, or trouble breathing.
Make sure any doctor or dentist who treats you knows that you are using this medicine. You may need to stop using this medicine several days before having surgery or medical tests. The results of some tests may be affected by this medicine.
Do not take other medicines unless they have been discussed with your doctor. This especially includes over-the-counter (nonprescription) medicines for appetite control, asthma, colds, cough, hay fever, or sinus problems, since they may tend to increase your blood pressure.
Portions of this document last updated: Aug. 01, 2024
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