Kamagra 50 is the commonly used medication used to treat male sexual disorders like impotency or erectile dysfunction (ED). This medicine should be taken half an hour before sexual activity, according to the doctor's instructions. One should take the tablet with enough amount of water. Take the tablet as a whole, and avoid chewing or crushing the pill. ED pills should be stored in a dry place and kept at room temperature and avoid keeping under direct sunlight. ED medication should be kept away from the reach of children.