This boosts blood flow and helps you get an erection from sexual activity. When oral medications might not be safe Check with your health care team before you take any medicine for erectile dysfunction. Your doctor or other health care professional can recommend one for you based on these factors, other health conditions you have and any other medicines you take. This medication is taken with or without food an hour before sex. Clinical trials for MED found minimal side effects. The medication was developed by U. There were some reports of headaches and nausea, however.The Food and Drug Administration just granted over-the-counter sale marketing authorization for MED, a topical gel created to treat erectile dysfunction (ED).Missing: walgreens. Shop sexual enhancement tablets at Walgreens. Find sexual enhancement tablets coupons and weekly deals. Pickup & Same Day Delivery available on most store items. Generic Viagra (sildenafil) is an alternative to the branded Viagra drug that can be used for treating erectile dysfunction (ED). It’s now sold by many manufacturers, including online.