Alfuzosin (By mouth)

There may be other brand names for this medicine.

This medicine is not right for everyone. Do not use it if you had an allergic reaction to alfuzosin, or if you have moderate to severe liver disease.

Your doctor will tell you how much medicine to use. Do not use more than directed.
It is best to take this medicine with food or milk. Take the medicine right after the same meal every day.
Swallow the extended-release tablet whole. Do not crush, break, or chew it.
Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.
Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Do not use alfuzosin if you are taking ketoconazole, itraconazole, or ritonavir.
Some medicines can affect how alfuzosin works. Tell your doctor if you are taking any of the following:
- Angina medicine
- Blood pressure medicine
- Cimetidine
- Diltiazem
- Erectile dysfunction medicine

Tell your doctor if you have kidney disease, liver disease, severe chest pain (angina), low blood pressure, or a family history of a heart condition called congenital QT prolongation.
This medicine may make you dizzy or lightheaded. Do not drive or do anything that could be dangerous until you know how this medicine affects you. Get up slowly from a sitting or lying position. If you feel dizzy, lie down so you do not faint. Then sit for a few moments before you stand up.
Tell any doctor who treats you that you are using this medicine or used it in recent months. Alfuzosin may cause a serious eye problem called Intraoperative Floppy Iris Syndrome (IFIS) after cataract surgery.
Seek immediate medical attention if you have a prolonged erection while you are taking this medicine. The condition must be treated right away to prevent permanent impotence.
Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
Keep all medicine out of the reach of children. Never share your medicine with anyone.

Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Chest pain, discomfort, tightness, or heaviness
Decrease in how much or how often you urinate
Fast, pounding, or uneven heartbeat
Fever, chills, cough, stuffy or runny nose, sore throat, and body aches
Lightheadedness, dizziness, or fainting
Nausea, shortness of breath, or sweating
Painful, prolonged erection of your penis
Pain in your arm, back, or jaw
Unusual tiredness or weakness

Last Updated: 1/27/2017