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.