Oral medicines for ED usually work well and cause few side effects. Your doctor may adjust your dose as needed and tolerated. Ask your healthcare professional how you should dispose of any medicine you do not use. You’ll soon start receiving the latest Mayo Clinic health information you requested in your inbox. For more erectile dysfunction treatments , check out our blog. These medicines all work well for ED.AdSave Time & Money with Online Prescription for Viagra, Cialis, Sildenafil and Tadafil. Free & Private Online Consultant with Real Doctors. Reliable E.D. Meds Shipped test1.ru: Sexual Health · Privacy Policy · Premature Ejaculation.  · For treatment of erectile dysfunction: For oral dosage form (tablets). Since , Viagra (sildenafil) has been used for treating erectile dysfunction (ED). It’s available by prescription for males ages 18 years and older. Side effects are .