Call at : 1-323-455-4676, Generic Viagra 100 Mg Tablet is a prescription medicine that treats erectile dysfunction in men. The tablet contains Sildenafil drug. It belongs to class of drugs that is call Phosphodiesterase type 5 or PDE 5 inhibitors. It works with increasing blood flow to penis and helps maintain an erection for long. The drug works if you get sexual arousal. It is taken 30 minutes to 4 hours before sexual activity