Hello,
Uroxatral contains alfuzosin hydrochloride as the active ingredient and does not contain sulfa. However if it cause any
of the side effects like rash, dizziness, shortness
of breath or fainting then you should not take it and consult your doctor.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps.