AdComplete the Online Consultation with our Doctor. Personalize Your Needs. If Appropriate, Get a Prescription for ED from RexMD®. Free Shipping AvailableFree Shipping · Real Doctors · Discreet Packaging · Personalized Plan.We considered cost, medications available, and whether generic versions were offered to help reduce costs. Medical consultations were also taken into consideration, as PDE5 inhibitors require a valid prescription from a licensed medical provider. This medicine also works best when you take it an hour before sex on an empty stomach. An erection results from an increase in blood flow to the penis. Side effects Side effects of oral ED medicines are often mild.Transfer your prescription for Sildenafil (Generic for Viagra, Oral Tablet) on Amazon Pharmacy. FREE SHIPPING for Prime Account Returns & Orders. Find the best sildenafil citrate or viagra prices near you now with our cost comparison tool and start saving today. QTY 30 • MG • Tablet • Near EDIT; Add to Medicine . 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 .They have the same benefits and risks as their brand-name counterparts. The information provided is for educational purposes only and is not intended to replace discussions with a healthcare provider. These are commonly prescribed for an enlarged prostate or male pattern baldness. In some cases, ED can cause a strain on relationships and impact self-esteem. According to the FDA, generic medications contain the same active ingredients as brand names, meaning there’s no difference in effectiveness or safety. Severe liver disease. Especially tell your healthcare provider if you take any of the following: medicines called nitrates medicines called guanylate cyclase stimulators such as Adempas riociguat medicines called alpha-blockers, such as Hytrin terazosin HCl , Flomax tamsulosin HCl , Cardura doxazosin mesylate , Minipress prazosin HCl , Uroxatral alfuzosin HCl , Jalyn dutasteride and tamsulosin HCl , or Rapaflo silodosin.