Triamcinolone Injection 40 mg/mL Multiple-Dose Vials 10 mL (Rx)Triamcinolone Injection 40 mg Triamcinolone acetonide is a potent synthetic glucocorticoid (corticosteroid). The 40 mg injection (often sold as Kenalog 40 or similar) is a sterile suspension in which each milliliter contains 40 mg of triamcinolone acetonide. It is designed for intramuscular (IM) or intra articular (joint or soft tissue) injection. (It is not given intravenously, intradermally, or into the spine eye due to safety concerns. Benzyl