Captopril is a medicine known as an angiotensin-converting enzyme (ACE) inhibitor. Captopril is used alone or in combination with other medications to treat high blood pressure or heart failure. Captopril is also used to treat kidney disease in people with diabetes. In addition, it is used after a heart attack to improve survival in people with a heart condition called left ventricular dysfunction (damage to the section of the heart that is responsible for pumping blood to the rest of the body).
Captopril can cause a rare but serious allergic reaction leading to swelling of your face, eyes, lips, tongue, throat, or gut (causing severe abdominal pain), or difficulty swallowing or breathing. If you experience any of these symptoms, seek emergency medical attention immediately.
Tell your doctor if you experience lightheadedness, especially during the first few weeks of Captopril therapy.
Vomiting, diarrhea, excessive sweating, and dehydration may lead to an excessive fall in your blood pressure. Tell your doctor if you experience any of these.
Captopril may decrease your blood neutrophil (type of blood cells that fight infections) levels, especially if you have a collagen vascular disease (such as lupus [disease that affects the immune system]) or kidney disease.
Promptly report any signs of infection (such as sore throat or fever) to your doctor.
Captopril can cause liver damage. Stop taking Captopril and call your doctor right away if you develop yellowing of your skin or the whites of your eyes.
Tell your doctor if you develop a persistent dry cough while you are taking Captopril.