What Is a Drug?

Broadly speaking, a drug is any substance other than food intended to affect the structure or any function of the body (1).

Drug As a Medication

According to the United States Federal Drug Agency (FDA), a drug is an article (substance) intended for use in the diagnosis, cure, mitigation (lessening), treatment or prevention of disease, recognized in the official United States Pharmacopoeia (USP) (2), Homoeopathic Pharmacopoeia of the United States, or official National Formulary (1).


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