After you’re finished having sex, blood flow to the penis should decrease and your erection should go away. Involve your sexual partner. Join now! Stop using vardenafil and call your doctor at once if you have: ringing in your ears, or sudden hearing loss; irregular heartbeat; swelling in your hands, ankles, or feet; shortness of breath; a light-headed feeling, like you might pass out; or seizure convulsions. Vardenafil is taken only when needed, about 60 minutes before sexual activity. All of four of the PDEinhibiting drugs approved for use in America stimulate erections through the same chemical reaction. If so, how much?In men without cardiovascular disease, erectile dysfunction (ED) pills are safe. The three rivals — Viagra, Cialis, Levitra and Stendra– have similar side effects, including headache, facial flushing, nasal congestion, diarrhea, backache, and, in a few Viagra or Levitra users, temporary impaired color vision (men with retinitis pigmentosa, a . ED is a common problem associated with high blood pressure, but there are many proven treatments you can try. A doctor’s first choice for treating erection problems is usually one of the pills. Vardenafil, also known by the brand name Levitra, is a prescription medication that treats male erectile dysfunction. Erectile dysfunction is when a man is unable to get or sustain an erection.