Chemical Name: PRAZOSIN (PRA-zoe-sin)
Prazosin is an alpha blocker used to treat high blood pressure and benign prostatic hyperplasia (BPH). Prazosin may also be used to treat other conditions as determined by your doctor.
Some medicines or medical conditions may interact with Prazosin. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. DO NOT TAKE Prazosin if you are also taking certain medicines for erectile dysfunction (such as sildenafil, tadalafil, or vardenafil). ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking medicine for high blood pressure or heart conditions such as beta-blockers or verapamil, or modafinil. DO NOT START OR STOP any medicine without doctor or pharmacist approval. Inform your doctor of any other medical conditions, allergies, pregnancy, or breast-feeding. Contact your doctor or pharmacist if you have any questions or concerns about taking Prazosin.
Follow the directions for using Prazosin provided by your doctor. STORE Prazosin at room temperature, away from heat and light. IF YOU MISS A DOSE OF Prazosin, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Prazosin 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. DO NOT DRIVE, OPERATE MACHINERY, OR DO ANYTHING ELSE THAT COULD BE DANGEROUS until you know how you react to Prazosin. Using Prazosin alone, with other medicines, or with alcohol may lessen your ability to drive or to perform other potentially dangerous tasks. 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 Prazosin during pregnancy. Prazosin IS EXCRETED IN BREAST MILK. IF YOU ARE OR WILL BE BREAST-FEEDING while you are using Prazosin, 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. CHECK WITH YOUR DOCTOR AS SOON AS POSSIBLE if you experience pounding heartbeat, puffiness in hands or feet, or blurred vision. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.
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.
DO NOT SHARE Prazosin with others for whom it was not prescribed. DO NOT USE Prazosin for other health conditions. KEEP Prazosin out of the reach of children. IF USING Prazosin FOR AN EXTENDED PERIOD OF TIME, obtain refills before your supply runs out.