When a man is sexually stimulated, his body’s normal response is to increase blood flow to his penis to produce an erection. This development was credited largely “due to the introduction of generic products. It is usually found in tablet form or as an oral jelly, hence the nickname Viagra gel. Kamagra — often called Viagra gel — is often an unlicensed treatment for erectile dysfunction. Viagra is also informally known as “vitamin V”, “the blue pill”, or “blue diamond”, as well as various other nicknames. While buying unlicensed Kamagra online is pretty risky, like any unregulated medication, there are also counterfeits to look out for. · a light-headed feeling, like you might pass out. Common sildenafil side effects may include: flushing (warmth, redness, or tingly feeling); headache, dizziness; .  · Descriptions Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Sildenafil belongs to a group of medicines called . Kamagra is a pharmaceutical marvel meticulously crafted to combat erectile dysfunction (ED), a condition that affects millions of men globally. It belongs to a class of .