Coteson 200mg Injection belongs to a group of medicines called corticosteroids. It is used to treat a variety of diseases and conditions such as severe allergic reactions, allergic conditions, cancer, and skin and eye disorders. It is used for the treatment of conditions that need a quick response. Coteson 200mg Injection is administered by a healthcare professional. It is usually given to patients who are not able to take the tablet form of the medicine. Taking the medicine can make it harder for your body to fight off infections. Tell your doctor if you have any signs of infection such as a fever or sore throat. Also before taking this medicine, you should let your doctor know all the other medicines you are taking. This medicine may cause few common side effects such as injection site reactions (pain, swelling, redness). It may also cause mood changes in some people. If any of these side effects bother you or if you experienced any symptoms which you feel are due to the use of this medicine, let your doctor know. It is important for pregnant and breastfeeding mothers to ask the advice of their doctors before taking this medicine.