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Glossary · Tier 1

Pharmacologic Class

Also known as: drug class, pharmacological class, pharm class

Verified from FDA on 06-02-2026
Quick answer

Pharmacologic class is a regulatory grouping used by the U.S. Food and Drug Administration to organize active moieties that share scientifically documented properties. The classification draws on a combination of attributes tied to how a substance is built, how it acts, and what it treats. The FDA definition follows below.

MedivaScan summary. The authoritative source quote follows below.

FDA definition

Pharmacologic class is a group of active moieties that share scientifically documented properties and is defined on the basis of any combination of three attributes of the active moiety:

U.S. Food and Drug AdministrationView on source ›Verbatim quote. Last verified 06-02-2026.
For information only. MedivaScan summarizes public FDA data and is not medical advice. Consult a healthcare professional before changing any medication. If you experience a serious reaction, contact your doctor or call 911.