Viagra Connect is a drug used to treat erectile dysfunction in men. It works by increasing blood flow to the penis when sexually stimulated, resulting in a firmer and longer-lasting erection. Viagra Connect is the over the counter version of the popular erectile dysfunction medicine, Viagra. It acts in the same way as Viagra but is only available in one strength, 50mg, whereas Viagra Tablets are available in 25mg, 50mg, and 100mg. Viagra Connect contains the active ingredient Sildenafil, which is also available to buy in a generic form.