Terazosin is an alpha blocker used to treat high blood pressure and benign prostatic hyperplasia (BPH).

Common uses

This medicine is an alpha blocker used to treat high blood pressure and benign prostatic hyperplasia (BPH). It may also be used to treat other conditions as determined by your doctor.

Before using

INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. Inform your doctor of any other medical conditions, allergies, pregnancy, or breast-feeding.

Directions

Follow the directions for using this medicine provided by your doctor. STORE THIS MEDICINE at room temperature, away from heat and light. IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as possible. If you are taking 1 dose daily and do not remember until the next day, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Cautions

THIS MEDICINE may cause drowsiness. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to this medicine. THIS MEDICINE MAY CAUSE dizziness, lightheadedness, or fainting after the first dose. Take the first dose at bedtime. If you get up during the night, sit up and stand up slowly. Continue to sit up and stand slowly while you are taking this medicine. BE CAREFUL DURING exercise, hot weather, and if you must stand for long periods of time. BEFORE DRINKING ALCOHOL, discuss it with your doctor. Alcohol may worsen dizziness or lightheadedness. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. IT IS UNKNOWN IF THIS MEDICINE IS EXCRETED in breast milk. IF YOU ARE OR WILL BE BREAST-FEEDING while you are using this medicine, check with your doctor or pharmacist to discuss the risks to your baby.

Possible side effects

SIDE EFFECTS, that may go away during treatment, include dizziness, headache, nausea, drowsiness, lack of energy, dry mouth, or nasal congestion. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you experience chest pain, swelling of hands or feet, ringing in the ears, blurred vision, decreased sexual ability, easy bleeding or bruising, or irregular or unusually fast heartbeat. IF YOU EXPERIENCE difficulty breathing; tightness of chest; swelling of eyelids, face, or lips; or if you develop a rash or hives, tell your doctor immediately. Do not take any more doses of this medicine unless your doctor tells you to do so. If you notice other effects not listed above contact your doctor, nurse, or pharmacist.

Drug interactions

Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Use our drug interaction checker to find out if your medicines interact with each other. Check drug interactions

If you take too much

If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include dizziness and weakness.