Zenegra 100 Tablet is a prescription medicine used to treat erectile dysfunction (impotence) in men. It works by increasing blood flow to the penis. This helps men to get or maintain an erection. It belongs to a group of medicines known as phosphodiesterase type 5 (PDE 5) inhibitors.

Zenegra 100 Tablet may be taken on an empty stomach or with a meal. It should be strictly taken as advised by your doctor. You should take about 1 hour before you plan to have sex. The amount of time it takes to work varies from person to person, but it normally takes between 30 minutes and 1 hour. This medicine will only help you to get an erection if you are sexually stimulated. However, you should not take this medicine if you do not have erectile dysfunction. It should not be taken more than once a day.

The most common side effects of this medicine are flushing (sense of warmth), headache, dizziness, blurred vision, muscle pain, stomach upset, and rash. Talk to your doctor if any of the side effects bother you or do not go away.