Therefore, to find out if you have them or not you could need to perform special test. If you do not have night erection, doctor may search possible medical causes for that, starting from medications you take. Levitra improves erection in 85% of males. The medications are contraindicated for people with significant heart diseases, and also. Thanks to Viagra, four in five patients get their sexual functions improved. Those medications have next side effects. After sexual intercourse occurs blood outflow from penis, and penis comes back in normal condition. Viagra (Sildenafil) initially was created to treat ischemic heart disease, but during clinical tests patients noticed erection appearing.

To make those medications work, there is a need of sexual stimulation. Besides Viagra there are also two medications.

This medication helps to improve potency in diabetics and in those who has undergone operation on prostate gland.

More often men do not anton up during night ejaculations. The effect of Cialis keeps for 36 hours. Those three medications increase blood flow into penis and maintain erection enough for sexual intercourse. The effect of Viagra and Levitra appears in 1-2 hours after their taking.

Levitra (Vardenafil) and Cialis (Tadalafil).