紅こう斑はん

noun

red spots; erythema

Medical term for reddened skin patches caused by capillary dilation; used in dermatology and general descriptions of skin symptoms.

• 紫し外がい線せんを浴あびすぎて、顔かおに紅こう斑はんが出でた。

  After too much sun exposure, red spots appeared on my face.

• この薬くすりの副ふく作さ用ようとして、皮ひ膚ふに紅こう斑はんが生しょうじることがあります。

  As a side effect of this medicine, erythema may occur on the skin.