Viagra
Viagra is a medicine used in cases of impotence in order to widen blood vessels and encourage blood inflow into penis which is needed for its hardening (erection). It is only used when a man is sexually excited.
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Propecia
Propecia is a medicine used to treat hair loss in men and prostate enlargement. As for the latter case, the medicine blocks the production of a natural substance in the body that enlarges prostate and it allows the prostate to shrink.
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Levitra
Levitra treats a condition called erectile dysfunction, i.e. man’s inability to maintain erection. Doctors may guarantee 90% success in those patients who try this medication for the first time. It makes blood vessels wider and encourages the necessary amount of blood into penis. At the same time proteins start working slower and the muscles in the groin relax. Levitra only helps to treat problems with erection but not with desire.
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