Translation guide
A condition caused by overheating, often due to prolonged exposure to high temperatures and dehydration. In Japanese, it is commonly referred to as 熱中症 (ねっちゅうしょう), though this term also covers heatstroke. For mild cases, 熱疲労 (ねつひろう) is more specific.
The most common way to refer to heat exhaustion in everyday Japanese, though it broadly covers heat-related illnesses.
The standard term for heat-related illness, ranging from mild heat exhaustion to severe heatstroke. Used in warnings, news, and daily conversation.
熱中症に気をつけてください。
Please be careful of heat exhaustion.
昨日、熱中症で倒れた。
Yesterday, I collapsed from heat exhaustion.
When you need to distinguish mild heat exhaustion from severe heatstroke.
The precise medical term for heat exhaustion, characterized by heavy sweating, weakness, and cool, moist skin. Less common in daily speech but accurate.
熱疲労の症状には、めまいや吐き気があります。
Symptoms of heat exhaustion include dizziness and nausea.
How to say you are suffering from heat exhaustion in a natural, conversational way.
Literally 'to get heat illness'. The most natural way to say you have heat exhaustion.
熱中症になったみたい。
I think I have heat exhaustion.
Another way to say 'to suffer from heat illness', slightly more formal.
毎年、多くの高齢者が熱中症にかかります。
Many elderly people suffer from heat exhaustion every year.
Common expressions used in public announcements or advice to prevent heat exhaustion.
Used in alerts and advisories, like 'heat exhaustion warning'.
今日は熱中症警戒アラートが出ています。
A heat exhaustion alert has been issued today.
A common warning phrase meaning 'beware of heat exhaustion'.
熱中症に注意して、こまめに水分をとりましょう。
Be careful of heat exhaustion and drink water frequently.
熱中症 is the umbrella term for heat-related illnesses. 熱疲労 specifically refers to heat exhaustion (mild form), while 熱射病 (ねっしゃびょう) is heatstroke (severe, life-threatening). In everyday conversation, 熱中症 is used for both mild and severe cases, so context matters.
Common advice includes 水分補給 (すいぶんほきゅう, hydration) and 塩分補給 (えんぶんほきゅう, salt intake). You'll often hear 熱中症予防 (ねっちゅうしょうよぼう, heat exhaustion prevention).
熱中症になりかけた。
I almost got heat exhaustion.
水分補給で熱中症は予防できます。
Heat exhaustion can be prevented by staying hydrated.