You are encouraged to report adverse events related to Viatris products by calling U. Your primary care doctor should always know what medications you’re taking, including ED pills prescribed by another provider. Refills: See if you can set up automatic refills or order as needed. It may be difficult to remain firm despite wanting to have sex. It’s best to check your chosen provider’s site for more information.If you’re interested in buying Viagra online, five of the best options available are Hims, Roman, Lemonaid, Optum Store, and REX MD. Read on for full details on the process and pricing. A quick. Typical dosing for Sildenafil (Viagra) The typical dose is to take 50 mg of sildenafil (Viagra) by mouth, about 1 hour before sex, as needed. The maximum recommended dose is mg. Don’t take sildenafil (Viagra) more than once daily (at any dose). Written by Brian Leonard, PharmD, BCACP, BCGP. Generic versions of sildenafil, vardenafil and tadalafil are available. When oral medications might not be safe Check with your health care team before you take any medicine for erectile dysfunction.