Plain English Meaning

A widely used painkiller and fever medicine, best known by the brand name Tylenol. It eases headaches, body aches, and fevers, but does not reduce swelling.

Full Definition

A common over-the-counter pain reliever and fever reducer, sold under brand names such as Tylenol. It treats mild to moderate pain and lowers fever, but unlike ibuprofen or aspirin it does not reduce inflammation. While generally well tolerated, it can cause drowsiness or other side effects in some people, and pilots are expected to evaluate how any medication affects them before flight.

Context Anchor

Seen in aeromedical and drug-use discussions when deciding whether a medicine, an illness, or a combination product is compatible with flying.

Derivation

The name comes from its chemical structure: acetyl + amino + phenol. The everyday name 'paracetamol' (used outside the U.S.) comes from the same chemistry. Knowing the name is purely chemical helps pilots recognize that 'acetaminophen' on a label is the same drug as 'Tylenol' on the shelf.