Drugs refer to pharmaceutical products that pertain to chemical compounds or biological substances, other than food, intended for use in the treatment, prevention, or diagnosis of disease in humans or animals, including the following:

(1) Any article recognized in the official United States Pharmacopeia/National Formulary, Homeopathic Pharmacopeia of the United States of America, Philippine Pharmacopeia, Philippine National Drug Formulary, British Pharmacopoeia, European Pharmacopoeia, Japanese Pharmacopoeia, and any official compendium or any supplement to them;

(2) Any article intended for use in diagnosis, cure, mitigation, treatment, or prevention of disease of man or animals;

(3) Any article, other than food, intended to affect the structure or any function of the human body or animals;

(4) Any article intended for use, as a component of articles, specified in clauses (1), (2) and (3), not including devices or their components, parts and accessories; and

(5) Herbal or traditional drugs as defined in Republic Act No. 9502. (Sec. 5(m), R.A. No. 10918)