The information provided is for educational purposes only and is not intended to replace discussions with a healthcare provider. Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. This allows the smooth muscles in the penis to relax and fill with blood. Common side effects include headache, facial flushing, indigestion, and dizziness. Insurance: If you plan to use insurance, make sure the online provider accepts it. The best online pharmacies are accredited by the National Association of Boards of Pharmacy and are licensed in every state in which they trade. Those with pre-existing conditions should always consult a healthcare provider before taking new medications or supplements.CHOOSE BRAND-NAME VIAGRA. The original little blue pill prescribed by doctors for over 20 years. Clinically proven to treat men with erectile dysfunction (ED) Ongoing . Place and receive your order: Once you have your prescription, you can place your order. No insurance is needed to order medications from the Optum Store after receiving your . Online Pharmacy & OTC Our 12 Picks for Online Pharmacies of If you need medication delivered here are the best online pharmacies—and how to choose the right .