DSS was used to build mold. on the basis of literature, the dexamethasone dose was 5mg/kg, but when we treated the mouse with the the dexamethasone using stomach method, the mouse hypothermia was obvious and the body weight was reduced in the fourth day, then the fifth day the mouse spontaneously died , how can this happen,and what is the suitable concentrion of Dexamethasone treating enteritis. thanks!