Depo-Medrol for Injection 40 mg, 10 mL x 25/Pack (Rx)Depo Medrol Injection 40 mg, 10 mL is an injection prescribed by physicians to provide relief from a wide range of inflammatory processes. It is a corticosteroid proven to be significantly more effective than regular corticosteroid treatments. When administered, Depo Medrol accelerates the regrowth of muscle tissue, joints, and cartilage. This injection can also reduce redness and swelling caused by a variety of conditions and diseases, such as