Prohibited substances are those substances which are banned or prohibited from use in sports. There are some substances which are banned or prohibited only during competition. A substance is added to the list of prohibited substances if it enhances the sports performance or damages the health of the athlete. For exemption it must be verified by the physician. In order to be accepted the following points must be true:
(a) The athlete would face vital health problems if he does not take such drug.
(b) There is no other suitable alternative to that drug.
(c) There is no considerable performance enhancing benefits.