title: Epidural corticosteroid injections most effective soon after symptom onset.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000008:administration & dosage*; D003226:Congresses as Topic; D004334:Drug Administration Schedule; D006801:Humans; D007268:Injections, Epidural; D007405:Intervertebral Disc Displacement / Q000150:complications*; D008161:Lumbosacral Region; D010146:Pain / Q000188:drug therapy* / Q000209:etiology; D011843:Radiculopathy / Q000150:complications / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome
chemical_list: D000305:Adrenal Cortex Hormones