Asthma Reliever
This page is the CodyCross answer for the clue below from Prehistory, Group 1252, Puzzle 4 (Cairn De Barnenez).
Question is: Asthma Reliever
and the answer is: EPHEDRINE
Word Meaning:
EPHEDRINE — (biochemistry, pharmacology) A crystalline alkaloid drug C₁₀H₁₅NO obtained from a Chinese ephedra (Ephedra sinica) or synthesized that has the physiological action of epinephrine. It causes constriction of the blood vessels and widening of the bronchial passages and is used in the form of its hydrochloride or sulfate to relieve asthma and hay fever.
Definitions from Wiktionary.