First Known Use of tadalafil
Medical Definition of tadalafil
: a drug C22H19N3O4 taken orally to treat erectile dysfunction, benign prostatic hyperplasia, and hypertension of the lungs and that functions similarly to sildenafil ◆Tadalafil is marketed under the trademark Cialis to treat erectile dysfunction and benign prostatic hyperplasia and under the trademark Adcirca to treat pulmonary arterial hypertension.
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