inflamed skin; skin with a rash or sore
Refers to skin that is red, swollen, or has developed sores, often due to irritation, infection, or a skin condition.
My inflamed skin from allergies is itchy.
Please try not to scratch the inflamed skin.
Common mixed kana-kanji spelling; ただれた is the past attributive form of ただれる, and 皮膚 means 'skin'.
Rare kanji spelling using 爛れる; the kanji 爛 is not commonly used in modern Japanese.
The verb ただれる is of uncertain origin, possibly related to the idea of 'deterioration' or 'corruption'. The phrase ただれた皮膚 is a straightforward combination of the past attributive form of ただれる and 皮膚 (skin).