Kamagra 100mg is used to treat men with sexual problems. This medicine contains an ingredient called Sildenafil Citrate, which works to relax the muscles by increasing blood flow to the penis. The effect of this medicine is seen within 30 minutes depending on the individual. This medicine can be used 1 hour before sexual activity as the tablet takes time to start working and show effect. Cold drinks or alcohol should not be consumed while taking this medicine as its side effects are seen on your body.