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The Best ED Medication for Men: Pros & Cons of Top ED Pills. Over the last 25 years, (ED) medications like Viagra and Cialis have become common fixtures in bedrooms around the world.
Viagra (or sildenafil) lasts three to five hours after it’s consumed. Cialis (tadalafil) has a half-life of 17.5 hours, meaning this drug lasts up to 36 hours after it’s consumed.
What Does Viagra Do? Viagra works by improving blood flow to your privates. The active ingredient, Sildenafil, is a PDE5 inhibitor that helps blood vessels relax.
Sildenafil, sold under the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [ 4 ] [ 8 ] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon . [ 9 ]
Viagra is definitely not an appropriate first-line treatment for Raynaud’s phenomenon, but in situations where more common medications have failed, it could be an option. Halfpoint/istockphoto ...
Erectile dysfunction (ED), also referred to as impotence, is a form of sexual dysfunction in males characterized by the persistent or recurring inability to achieve or maintain a penile erection with sufficient rigidity and duration for satisfactory sexual activity.
Chemical structure of sildenafil (Viagra), the prototypical PDE5 inhibitor. A phosphodiesterase type 5 inhibitor (PDE5 inhibitor) is a vasodilating drug that works by blocking the degradative action of cGMP-specific phosphodiesterase type 5 (PDE5) on cyclic GMP in the smooth muscle cells lining the blood vessels supplying various tissues.
Sildenafil works well for most men with ED at any dosage, although the highest 100mg dosage produces improvements for a greater percentage of men than 50mg or 25mg. Sildenafil has an impressive ...
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