AdWith RexMD you’re saving time and money with our ED delivery. Get started now. Reliable E.D. meds prescribed by real doctors. Get your free & private online visit today.You can take it in a small dose daily or in a larger dose as needed. If you don’t have any health insurance, consider purchasing a plan. They include dutasteride Avodart, Jalyn and finasteride Propecia, Proscar. Along with other basic personal information such as your birth date and social security number , remember to have your health insurance ID number handy for when you log-in online or speak to a representative on the phone. To make the most out of your doctor’s appointment, you should prepare questions and answers ahead of time.Taking Viagra (sildenafil) as instructed may improve its effectiveness for erectile dysfunction. Written by Lauren Smith, MA | Reviewed by Preeti Parikh, MD. Published on . Uses. FAQs. 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 . Viagra is a brand-name prescription drug that’s approved to treat erectile dysfunction (ED). With ED, you’re unable to have or maintain an erection. Viagra is approved for this use .Viagra is typically taken at a dose of 50mg about one hour before sex. This medicine also works best when you take it an hour before sex on an empty stomach. Along with other basic personal information such as your birth date and social security number , remember to have your health insurance ID number handy for when you log-in online or speak to a representative on the phone. Within 24 hours, a healthcare provider will contact you for further information and to present you with several options. This medication is taken with or without food an hour before sex.