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.
Please be careful of heat exhaustion.
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.
Symptoms of heat exhaustion include dizziness and nausea.
How to say you are suffering from heat exhaustion in a natural, conversational way.
Common expressions used in public announcements or advice to prevent heat exhaustion.
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).
I almost got heat exhaustion.
Heat exhaustion can be prevented by staying hydrated.
Many elderly people suffer from heat exhaustion every year.
Be careful of heat exhaustion and drink water frequently.