The breakdown and the elimination of tadalafil of the body can be diminished for erythromycin, ketoconazole (Nizoral), itraconazole (Sporanox), indinavir (Crixivan) and ritonavir (Norvir). Therefore, these medicines can increase the tadalafil levels in the blood. If these medicines are being used at the same time how tadalafil, the tadalafil dose should be reduced in order to avoid side effects of high levels of tadalafil:
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The erection of the penis is caused by the filling of the penis with the blood. The filling happens because the blood glasses that bring the blood to the increase of penis of the size and deliver more blood to the penis, and, at the same time, the blood glasses that take the blood of the decrease of penis in the size and remove less blood of the penis.
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