
Absorption and Bioavailability: Maximum observed plasma concentrations are reached within 30 to 120 minutes , It can stay in Body system for up to 20 hours
Happy Night-S is in a class of medications called phosphodiesterase (PDE) inhibitors. Happy Night-S treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. As the concentration of Happy Night-S in the blood typically peaks 60 minutes after taking the drug, the effects are strongest around this time.
Sildenafil common side effects are : Headache, flushing, and upset stomach. nausea, stuffy nose, and visual disturbances
Happy night-S gives lower side effects : Happy Night-S is an Enteric coated Tablet, protects the drug from acidic pH and enzymatic degradation in the stomach.
Happy night-S is also used to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH). It helps to relieve symptoms of BPH such as difficulty in beginning the flow of urine, weak stream, and the need to urinate often or urgently