発赤(ほっせき)

ほっせき
noun
redness; erythema
formalmedicalhealth
1. redness; erythema; reddening of the skin
Abnormal redness of the skin caused by inflammation, irritation, allergy, or infection. A medical term used in clinical descriptions and pharmaceutical instructions.
注射(ちゅうしゃ)部位(ぶい)に発赤(ほっせき)が見(み)られる。
Redness can be seen at the injection site.
発赤(ほっせき)や腫(は)れがあれば医師(いし)に相談(そうだん)してください。
If you notice redness or swelling, please consult a doctor.
アレルギー反応(はんのう)で皮膚(ひふ)に発赤(ほっせき)と痒(かゆ)みが出(で)た。
An allergic reaction caused redness and itching on the skin.

A medical word seen in clinical reports, drug leaflets and patient instructions, often listed with 腫脹(しゅちょう) (swelling), 疼痛(とうつう) (pain) and 発熱(はつねつ) (fever). The reading はっせき is also heard. In everyday language people say 赤(あか)み or 赤(あか)くなる instead.

Common collocations

general
Added 2026.3.21 18:56 · Revised 2026.10.7 22:41
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