Common term for illness caused by eating contaminated food.
昨日の刺身で食あたりになった。
I got food poisoning from yesterday's sashimi.
食あたり is a casual, everyday word for getting sick from bad food, while 食中毒 is the more formal medical term used in news reports and official contexts.
食あたり is the everyday term specifically for mild food poisoning, whereas 中毒 covers poisoning from any toxin, not just food, and sounds more clinical.
Standard kanji spelling for food poisoning.
Alternate kanji spelling using 当.
Rare kanji spelling using 中.
Compound of 食 (shoku, 'eating') and あたり (atari, 'hit' or 'strike'), literally meaning 'struck by food'.