Read the side effects of Doxazosin as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Heart-
Irregular heart beat, chest pain.
Genitourinary-
Decreased sexual ability, painful erection of the penis that lasts for hours.
Miscellaneous-
Headache, tiredness, swelling of the mouth, shortness of breath, weight gain, joint pain, abnormal vision, runny nose, hives.
Other Precautions : *Monitor blood pressure and pulse regularly while taking this medication.