{"id":"betamethasone-and-local-anesthetic","safety":{"commonSideEffects":[{"rate":null,"effect":"Local skin atrophy"},{"rate":null,"effect":"Local irritation or burning at injection site"},{"rate":null,"effect":"Hypopigmentation"},{"rate":null,"effect":"Systemic corticosteroid effects (with repeated use)"}]},"_chembl":{"chemblId":"CHEMBL1697784","moleculeType":"Small molecule","molecularWeight":"504.60"},"_dailymed":null,"mechanism":{"_ai_source":"claude-haiku-4.5","explanation":"Betamethasone is a corticosteroid that suppresses inflammatory and immune responses by binding to glucocorticoid receptors and inhibiting pro-inflammatory cytokine production. The local anesthetic component (typically lidocaine or similar) blocks nerve conduction to provide localized pain relief. 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