What to Expect With Meds for Pulmonary Arterial Hypertension

You'll see pulmonary arterial hypertension (PAH) treated with uncommon doses of some common meds.

PAH is thought to be due to an imbalance between vasodilators such as nitric oxide...and vasoconstrictors such as endothelin.

Phosphodiesterase 5 inhibitors can help dilate pulmonary arteries...but the brands and doses are different than for erectile dysfunction.

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