Tadalafil is a prescription medication that is used to treat erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). It is a phosphodiesterase type 5 (PDE5) inhibitor, which means that it works by blocking the enzyme PDE5. PDE5 is responsible for breaking down cGMP, which is a chemical that helps to relax the muscles in the penis and allow for an erection. By blocking PDE5, tadalafil allows cGMP to build up, which leads to an erection.
Tadalafil is also used to treat PAH, a rare condition that causes high blood pressure in the arteries that carry blood to the lungs. In PAH, the blood vessels in the lungs become narrowed, which makes it difficult for blood to flow through them. Tadalafil works by relaxing the muscles in these blood vessels, which makes it easier for blood to flow through them.
Tadalafil is used to treat:
The effects of tadalafil can last for up to 36 hours. However, the actual duration of action may vary from person to person.
Tadalafil works by blocking the enzyme PDE5. PDE5 is responsible for breaking down cGMP, which is a chemical that helps to relax the muscles in the penis and allow for an erection. By blocking PDE5, tadalafil allows cGMP to build up, which leads to an erection.
Tadalafil works by relaxing the muscles in the penis and the blood vessels in the lungs. This allows blood to flow more easily through these areas, which can help to improve erectile function and reduce the symptoms of PAH.
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