Inform your doctor or pharmacist your allergies, medical history, especially of: liver disease, kidney disease, heart problems (such as chest pain/angina, heart attack), low blood pressure, certain eye problems (cataracts, glaucoma).
This medication may also cause fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away.
Avoid activities that require alertness as this drug can make you drowsy.
Pregnant and breastfeeding women must consult their doctor first before using this medication.
Some products that may interact with this drug include: other alpha blocker drugs (such as prazosin, terazosin).
Take extra caution when If you are also taking a drug to treat erectile dysfunction-ED or pulmonary hypertension (such as sildenafil, tadalafil), your blood pressure may get too low which can lead to dizziness or fainting.