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However, this medication can cause negative sexual side effects such as decreased libido (sex drive) and erectile dysfunction. To help ease these side effects, your doctor may have you also take Cialis. However, the medication does increase blood flow to the area.

Cialis will not cause you to have an erection for its effective time in the body, it will assist in the ability to achieve and maintain one. Cialis (Tadalafil) is a medication known as a PDE5 inhibitor. PDE5 normally causes blood vessels in the penis to return to their normal size, ending an erection. Cialis prevents PDE5 from operating in its normal function, thus extending the time an erection can be maintained.

The rate and extent of absorption of tadalafil are not influenced by food