Hynidase Injection is used as a preservative in combination with other medicines It helps the medicine to absorb completely by the cells in the body and increases the potency of the medicine Generally Hynidase Injection comes in combination with injectable medicines It must be administered as per prescription under the supervision of the doctor or a nurse Let your doctor know if you have any known allergies to this medication It is a safe medicine and has minimal or no side effects However some patients might experience injection site reactions such as redness swelling and pain Lrt you doctor know if they bother you