Prazosin

Prazosin is used to treat hypertension ( high blood pressure ). Lowering blood pressure may lower your risk of a stroke or heart attack . Prazosin may also be used for other purposes not listed in this medication guide.

Prazosin is used to treat hypertension ( high blood pressure ). Lowering blood pressure may lower your risk of a stroke or heart attack . Prazosin may also be used for other purposes not listed in this medication guide.

You should not use prazosin if you are allergic to it. Tell your doctor if you have ever had: low blood pressure , especially if caused by taking medications. Prazosin can affect your pupils. If you have cataract surgery, tell your surgeon ahead of time that you use prazosin. Tell your doctor if you are pregnant or plan to become pregnant. It is not known whether prazosin will harm an unborn baby. However, having high blood pressure during pregnancy may cause complications such as diabetes or eclampsia (dangerously high blood pressure that can lead to medical problems in both mother and baby). The benefit of treating hypertension may outweigh any risks to the baby. It may not be safe to breastfeed while using this medicine. Ask your doctor about any risk. Prazosin is not approved for use by anyone younger than 18 years old.

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Prazosin may cause serious side effects. Call your doctor at once if you have: a light-headed feeling, like you might pass out; pounding heartbeats or fluttering in your chest; new or worsening chest pain; or upper stomach pain, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes). Call your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours. A prolonged erection ( priapism ) can damage the penis. Common side effects of prazosin may include: dizziness, drowsiness ; headache ; feeling weak or tired; or nausea. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

0.5 mg (0.5 (0.5)) 12 hourly PO — Gradually increase after 3-7 days. 20 mg (20 (20)) 24 hourly PO — Maintenance. Scraped Dose — Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed. Prazosin lowers blood pressure and may cause dizziness or fainting , especially when you first start taking it, or whenever your dose is changed. You may feel very dizzy when you first wake up. Your blood pressure will need to be checked often. Swallow the capsule whole and do not crush, chew, break, or open it. Keep using this medicine as directed, even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medication for the rest of your life. Prazosin is only part of a complete treatment program that may also include diet, exercise, weight control, and special medical care. Follow your doctor's instructions very closely. Some things can cause your blood pressure to get too low. This includes vomiting , diarrhea , or heavy sweating . Call your doctor if you are sick with vomiting or diarrhea. Store at room temperature away from moisture and heat.

0.05 to 0.2 mg/kg (0.12 (0.125)) 12 hourly Oral — -

0.05 to 0.2 mg/kg (0.12 (0.125)) 12 hourly Oral — -

Tell your doctor about all your other medicines, especially: propranolol ; any other blood pressure medication; a diuretic or "water pill"; or sildenafil (Viagra) and other erectile dysfunction medicines. This list is not complete. Other drugs may affect prazosin, including prescription and over-the-counter medicines, vitamins , and herbal products . Not all possible drug interactions are listed here.

Tab Store in a well closed container, Below 40°C. Protect from Sunlight.