These PDE5 inhibitors may cause headache, flushing, drop in blood pressure, or other adverse effects. Finding an online ED provider can feel overwhelming. Just visit a participating pharmacy. Your health information should remain between your provider and yourself. However, some states require a live video consultation.Lemonaid Health is a national telehealth company based in San Francisco, CA. Requesting a prescription only takes a few minutes. 1 Choose your meds Sildenafil, tadalafil, Cialis . Compare prices and print coupons for Sildenafil (Generic Revatio and Viagra) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $ Generic Viagra. Used for Erectile Dysfunction. Used for Erectile Dysfunction. savings_outlined. GoodRx lowest price. $ (save %) local_offer_outlined. Avg .