Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. Taking generic ED medications is an effective way to save money without sacrificing quality. In some patients, the use of VIAGRA with alpha-blockers can lead to a drop in blood pressure or to fainting medicines called HIV protease inhibitors, such as ritonavir Norvir , indinavir sulfate Crixivan , saquinavir Fortovase or Invirase , or atazanavir sulfate Reyataz some types of oral antifungal medicines, such as ketoconazole Nizoral and itraconazole Sporanox some types of antibiotics, such as clarithromycin Biaxin , telithromycin Ketek , or erythromycin other medicines that treat high blood pressure other medicines or treatments for ED VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO. Sexual activity may be a strain on your heart, especially if you have heart disease. Cialis Daily tadalafil : This low-dose Cialis works by increasing blood flow to the penis over time, making it easier to have an erection when aroused.AdFree & Private Online Consultant with Real Doctors. Reliable E.D. Meds Shipped Discreetly. If appropriate, get a prescription for ED from Rex et Packaging · Real Doctors · Personalized Plan · Free Shipping/5 (3, reviews)Sexual health: Premature Ejaculation · Erectile Dysfunction · Breakouts. AdTurn your classroom or meeting room into a wireless BYOD / BYOM environment! Transform your lecture hall into an outstanding wireless BYOD presentation environment! AdSay Goodbye to Performance Anxiety and Hello to Improved Sexual Stamina! Reviews and Comparisons Of The Best Male Enhancement Products. See Which Products WorkK+ visitors in the past monthOver 20 Years Online · Over Products Tested · Honest & Unbiased Reviews.