Uroxatral is an alpha-blocker. It is used in treatment of benign prostatic hyperplasia in men with an enlarged prostate. It works by blocking receptores in the lower urinary tract, relaxing smooth muscles in the bladder neck and prostate. 
Use Uroxatral as prescribed by your doctor. Take it orally with the same meal every day. Avoid splitting, crushing, breaking or chewing it. Swallow it the whole. 
You should not use the medicine if you have allergy to it, liver problems and you are taking alpha-blockers, macrolide antibiotics, nefazodone, azole antifungals, HIV pritease inhibitors and telithromycin.
The most common side effects include drowsiness, dizziness, stomach pain, runny nose, headache, fatigue.
Severe side effects include: Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); back pain; chest pain; dark urine; decreased sexual ability; fainting; fast or irregular heartbeat; fever, chills, or persistent sore throat; joint pain; painful, prolonged erection; pale stools; severe or persistent dizziness; severe or persistent stomach pain; unusual fatigue or weakness; yellowing of the skin or eyes
Seek medical help if any of the listed above symptoms occurs.
If you miss a dose of Uroxatral, 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.
Symptoms may include fainting , irregular heartbeat. Seek medical attention immediately if you overdosed the medicine.
Store Uroxatral at 77 degrees F (25 degrees C) in a tightly closed container. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Uroxatral out of the reach of children and away from pets.