Headache Medicine
This page is the CodyCross answer for the clue below from Fauna and Flora, Group 163, Puzzle 5 (Dolphins and Whales).
Question is: Headache Medicine
and the answer is: ASPIRIN
Word Meaning:
ASPIRIN — (uncountable, organic chemistry, pharmacology) an analgesic drug, acetylsalicylic acid
Definitions from Wiktionary.