1.
slight fever, low-grade fever
A body temperature that is slightly elevated above normal but not high enough to be considered a full fever. In Japan, generally refers to a temperature between 37.0°C and 37.9°C.
朝から微熱がある。
I've had a slight fever since this morning.
微熱が続いているので病院に行った。
I went to the hospital because a low-grade fever has been persisting.
風邪のひきはじめで微熱と倦怠感がある。
I have a slight fever and fatigue from the onset of a cold.
USAGE:
In Japanese medical contexts, fever levels are categorized as: 微熱 (slight fever, ~37.0-37.9°C), 中等度の熱 (moderate fever, ~38.0-38.9°C), and 高熱 (high fever, 39.0°C and above). 微熱 is often used when describing early symptoms of illness or lingering low-grade fevers.
COMMON COLLOCATIONS:
- 微熱がある: to have a slight fever
- 微熱が続く: a slight fever persists
- 微熱が下がらない: the low-grade fever won't go down