PRECAUTIONS: Before taking this product, tell your doctor or pharmacist if you are allergic to it; or to similar diuretics (such as chlorthalidone); or if you have any other allergies.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: inability to make urine (anuria), a certain heart condition (coronary heart disease), a certain heart valve problem (rheumatic heart disease of the mitral valve).Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood vessel problems, kidney problems, liver problems, asthma, diabetes, lupus, gout, previous stroke, salt/mineral imbalance (such as imbalance of sodium/potassium/calcium/magnesium levels in the body), loss of too much body water (dehydration).This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.This medication may reduce the potassium levels in your blood. Ask your doctor about increasing the amount of potassium in your diet or about using a salt substitute that contains potassium. Your doctor may prescribe a potassium supplement.If you have diabetes, this product may make it harder to control your blood sugar levels. Check your blood sugar levels regularly as directed by your doctor. Tell your doctor immediately if you have symptoms of high blood sugar such as increased thirst/urination. Your doctor may need to adjust your diabetes medication, exercise program, or diet.This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective clothing when outdoors.Before having surgery, tell your doctor or dentist that you are taking this medication.Older adults may be more sensitive to the side effects of this medication, especially dizziness.This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.This medication passes into breast milk. However, it is unlikely to harm a nursing infant. Consult your doctor before breast-feeding.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill identifier tool on RxList.