Viagra works in just an hour while Addyi takes months of regular treatment before showing minimal results. The body takes longer to absorb it after a high-fat meal or alcohol. Not all ED medications are the same, and some patients may find one more effective over another. However, like any drug, it will not work for everyone, and some people may experience side effects. In some cases, medications, hormones, creams, lubricants, clitoral stimulation or other treatments may be helpful. Viagra, Kamagra, and Viagra Connect are all brands of medication which contain the same active ingredient, sildenafil citrate.Why is this medication prescribed? Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. They’re often the first line of treatment for trouble getting or keeping an erection, called erectile dysfunction (ED). Oral medicines for ED usually work well and . What to consider Cost Overdose Ask your doctor Q&A Drug Images What is Viagra? If you have erectile dysfunction (ED), your doctor may recommend that you take .