TADALAFIL false is ?
High-Yield Explanation
Ans. is 'b' i.e., It cannot be used for the treatment of PAH Tadalafil is the longest acting phosphodiesterase inhibitor used for erectile dysfunction. Its half life is 17.5 hours. It can be used as once-daily phosphodiesterase type 5 (PDE5) inhibitor for the treatment of pulmonary aerial hypeension (PAH).