Tadalafil also known as Cialis is used in treatment of erectile dysfunction. It is a long acting tablet. Daily use ofthis tablet gives patient freedom from on demand dosing i.e.
patient need not to take the tablet according to the time of intercourse. It can also be used as weekend pill as effect lasts for 2-3 days. Dosage of use varies from patient to patient so expert advice is required. The drug is contraindicated in patients with severe heart disease as well as in those cases taking drug form group called nitrates. Side effects include headache, acidity and backache.