International nonproprietary name adrenaline epinephrine?

What is the INN for adrenaline (epinephrine)?

The international nonproprietary name (INN) used worldwide for adrenaline is “epinephrine” (often written as “adrenaline” in some countries, such as the UK/elsewhere). In practice, both names refer to the same active substance: epinephrine/adrenaline.

Are “adrenaline” and “epinephrine” the same drug?

Yes. “Adrenaline” and “epinephrine” are different names for the same medication (a catecholamine used for conditions like anaphylaxis and cardiac emergencies). The INN term is “epinephrine.”

Why do different countries use different names?

Countries vary in naming conventions and labeling history. The INN system standardizes the generic name for global clarity, which is “epinephrine” for this substance.