RxNorm Get Drug Info

Fetch comprehensive drug properties from NLM RxNorm by RXCUI or drug name. Returns the canonical name, term type (ingredient, brand name, clinical drug product, etc.), synonym, and language. Term types include IN (Ingredient/generic), BN (Brand Name), SCD (Semantic Clinical Drug = generic product with dose), SBD (Semantic Branded Drug). No API key required. Example: RXCUI 860975 -> '24 HR metformin hydrochloride 500 MG Extended Release Oral Tablet' (SCD).