By :
Dr. Shanthi.E
Follow your doctor's instructions. Usually, a man needs to take 1 tablet 30 minutes to 1 hour before he plans to have sex. You should not take more than 1 tablet in 24 hours. The medicine comes in tablets of 25 mg, 50 mg and 100 mg. Most patients start with 50 mg.
Even if you take Sildenafil, you still need physical and mental stimulation and desire to have an erection. If your first dose of Viagra doesn't help, call your doctor. Your doctor may want to change your tablet strength.
Headache is the most common side effect. Vision changes are the least common. Talk to your doctor if you have any side effect that bothers you.
It has been found that 82% of the men, who have taken Sildenafil, have experienced an improvement in their erections.
It has helped men with mild erectile dysfunction. Those who have severe impotence problems have had less success with the drug.
Men who have undergone surgery for prostate removal have also not experienced significant success.