Kamagra chewable pills is considered to be the best medicine for strong erection in men. The sildenafil citrate in this drug helps to increase blood flow to the penis in men. You should avoid chest pain medication called alcohol and nitrate if you are using this medication. This drug is not for children and women under 18 years of age. This medicine should be taken only once in 24 hours. This medicine should not be chewed, broken or crushed.