Defined Daily Dose (DDD)
§The DDD for a drug is its assumed average maintenance dose per day for a drug used as a main indication in adults.
§This does not necessarily reflect the actual amount or dose used.
§Penicillins (extended spectrum J01CA04): 1 DDD of Amoxicillin = 1.0g/day
§Macrolides (J01FA01): 1 DDD of Erthromycin = 0.5g/day
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