You should not use this medicine if you have had an allergic reaction to captopril or other blood pressure medicine (such as Accupril®, Altace®, Lotensin®, Lotrel®, Monopril®, Prinivil®, Vasotec®, Zestril®). You should not use this medicine if you are pregnant.
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Make sure your doctor knows if you are also using lithium, potassium supplements, salt substitutes, diuretics (water pills) such as amiloride (Midamor®, Moduretic®), chlorthalidone (Combipres®, Tenoretic®), furosemide (Lasix®), spironolactone (Aldactazide®, Aldactone®), or triamterene (Dyazide®, Dyrenium®, Maxzide®), or pain or arthritis medicine (such as aspirin, Advil®, Aleve®, Dolobid®, Feldene®, Indocin®, Motrin®, Orudis®, Relafen®, Voltaren®).
Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant. If you think you have become pregnant while using the medicine, tell your doctor right away.
Make sure your doctor knows if you are breastfeeding, or if you have diabetes, heart disease, kidney disease, liver disease, or lupus.
Make sure any doctor or dentist who treats you knows that you are using this medicine.
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.
If you stop using this medicine, your blood pressure may go up. High blood pressure usually has no symptoms. Even if you feel well, do not stop using the medicine without asking your doctor.