Viagranex 50 (Viagra, Sildenafil Citrate) 80 Tablets Another tablet has fame at wide level Viagra (sildenafil) Indications Treatment of massive dysfunction (ED) Dosage and management of Viagra (sildenafil). Viagara is a choosy phosphodiesterase kind 5 (PDE5) inhibitor exists as 25, 50 and 100 mg tablets for oral management. The suggested dose for multiple is 50 mg grasps regarding one before sexual activity. Might be it will take about 30 minutes and 4 hours before sexual happening. This all depends upon the effects as well as tolerability the dose might be increased to a peak level 100 mg daily. This must not be used more than 1 times on daily basis. Adults older than 65 years with their liver failure or creatinine clearance <30 ml/min or dealing with potent cytochrome P450 inhibitors must start at 25 mg. Individuals holding ritonavir must not cross 25 mg on daily basis during period of 48 hours. Precautions, warnings and contradictions, continuous usage of nirates, Viagra can boosts up hypotensive effects of nitrates. Hypersensitivity responds to tadalafil solid warnings as well as precautions. Long time erections as well as priapism have been informed. An unexpected hearing loss has been observed. Alpha blockers & antihypertensives: this also pontetities the antihypertensive effects of antihypertensives & alpha blockers. Renal impairment, clearance is minimized in patients with serious renal impairment. Hepatic impairment: basic route of flow is metabolism through CYP2C9 & CYP3A4 liver enzymes. The other concerned PDE5 stall: Viagra must not be linked with other PDE5. One can find PDE5 bleeding on platelets.