Men also should not take Viagra if they are also taking any other medication for high blood pressure, such as Revatio a form of sildenafil or other drugs. In situations where 50mg isn’t effective, a person’s healthcare provider may prescribe mg to be taken once daily 30 minutes to 4 hours before intercourse. In some cases, ED can cause a strain on relationships and impact self-esteem. What Are the Symptoms of Erectile Dysfunction? The generic form is 20 mg. Erectile dysfunction medications require a prescription from a licensed provider.AdRexMD® Offers Online Medical Consultations for FDA-Approved Erection Pills. If Appropriate, Get a Prescription for ED from RexMD®. Free Shipping AvailableFree Shipping · Real Doctors · Discreet Packaging · Personalized Plan/5 (3, reviews)Types: Genital Herpes · MEDICATIONS · Sertraline · Breakouts · Testosterone. Looking to overcome erectile dysfunction problems? We reviewed and compared prices, insurance coverage, and safety from the best online ED prescription . SILDENAFIL. CHEWABLES. 6 PACKS. $20/ MO. 10 PACKS. $30/ MO. POPULAR. BEST SELLER! 17 PACKS. $50/ MO. 34 PACKS. $90/ MO. CHOOSE THIS PLAN. All plans .