Cialis (tadalafil) is a medicine that that has been specially designed for the treatment of male impotence. This condition is actually more accurately defined as erectile dysfunction, as impotence is a much broader term. If you need to treat your impotence, and are looking for cheap Cialis, the first place you look for it is Internet. However, before you place an order with the pharmacy of your choice, you will need to make sure you are aware of any side effects that may occur. For instance, you will need to report such side effects as priapism, chest pain, light-headedness, seizure, fainting, sudden hearing loss, irregular heartbeat, vision changes, sweating, shortness of breath, general ill feeling, sudden vision loss, as well as swelling in your hands, ankles, or feet. There is no need to report any side effects that seem minor and do not bother you too much, as those are most likely to disappear on their own and there sill will no need for you to worry about them. Cialis is supposed to be taken as needed but not more often than every 24 hours. You will be able to attempt having sex at any point within the 36 hour period of efficiency this drug offers.