Tadacip Dosage, Side Effect, Warnings, Precautions, FAQs Description Tadacip is an oral medication that works perfectly on erectile dysfunction issue. It is a generic version of Cialis with Tadalafil as its active ingredient. This medicine works by overcoming the blood flow issue to the male reproductive region. It is an anti-impotent pill formulated for men above 18 years of age. Efficacy of this medicine can be conformed from its result, as 96% of ED cases have found satisfaction from this medicinal drug. Proper erection is possible only when sufficient amount of blood flows through the penile shaft when sexually stimulated. Clogging of arteries can hinder the blood supply, which results in feeble erection. Tadacip corrects this issue, and helps in achieving long-lasting erection. The effect of this generic medicine stays for as long as for 36 hours. This is the reason behind calling this generic medication the ‘weekend pill’. This medicinal drug is preferred over all other medications because of its long effect and less side effects.