Kamagra 100mg Oral Jelly is a prescription used for erectile dysfunction (impotence) in men. It works by increasing blood flow to the penis. This helps men get or maintain an erection. It belongs to a group of drugs known as phosphodiesterase type 5 (PDE 5) inhibitors. This oral jelly can be taken on an empty stomach or with food. It should be taken strictly as per your doctor's advice. 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 usually takes between 30 minutes and 1 hour. Avoid drinking alcohol while consuming this jelly as it increases the chances of side effects.