TADALAFIL false is ?
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).
It is longest acting phosphodiesterase inhibitor
It cannot be used for the treatment of PAH
It is used in erectile dysfunction
Its half life is 17-5 hours