Certainly, the most deciding element that is elaborate while purchasing drugs online is to make a better choice. Online pharmacies provides millions recipe medicines and vitamins. In these latter days twenty percent of men aged 40 to 70 were unable to maintain an erection during sex. It affects men of all races. Viagra is a preparation prescribed to treat a lot of diseases. What do you know about "difference between cialis and viagra"? Our article focuses on the evaluation of erectile disfunction and "viagra versus cialis". If you have any concerns about "what is better viagra or cialis", check with your doc before taking the preparation. Keep reading for a list of medications that may cause problems in bed and what you can do to put an end to such side effects. When you visit a physician about erectile disfunction, he or she as a rule should take a detail medic history, give you a full physical inspection to determine blood sugar, and order an EKG if you're over 50. Moreover Viagra may also be used to treat some other conditions as determined by your pharmacist.