비아그라에 대한 새로운 단계별 지도
VIAGRA has sildenafil, which is identical drugs located in A further drug called REVATIO. REVATIO is used to treat a rare sickness termed pulmonary arterial hypertension (PAH).Your doctor may possibly commence you on the lowered dosage of sildenafil. This will assistance avoid levels of this drug from build up in your body.The concomitant administr