Viagra is a new medication that is taken by mouth to restore erectile function in men with erectile dysfunction. It is the first of its kind. It works selectively on the penis. It is not a hormone or an aphrodisiac.

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YES it is. Viagra has been extensively tested in over 4500 men over the past three years. The incidence of adverse side effects causing patients to drop out of the studies was equal in patients taking placebo versus Viagra, 2.5%.

The active ingredient in Cialis is Tadalafil, which is a selective inhibitor of cyclic guanosine monophosphate. Each tablet contains 2.5, 5, 10, or 20mg of tadalafil plus croscarmellose sodium, hydroxypropyl cellulose, hypromellose, iron oxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, sodium lauryl sulfate, talc, titanium dioxide, and triacetin.

The only way to get a prescription for Cialis is to visit a physician and have them write the prescription for you once they haver determined you are a suitable candidate for the medication and that it will be safe for you to take it.