Wytensin is part of the Alpha-1 Agonists class and treats Hypertension. Alpha-1 agonists are used to treat a variety of conditions such as hypotension, nasal congestion, droopy eyelid, and rosacea. They work by tightening your blood vessels to raise your blood pressure, reducing inflammation in the nasal passages, and causing the skin to become less red. Wytensin is only available as a brand name drug. Get Guanabenz for as low as $18.96, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.