nails ridged

発疹や腕に出会う, 腕に発疹, 赤い顔, 顔の発疹

Pityriasis rubra pilaris (PRP) is a rare and chronic skin disorder that often has a sudden onset. Symptoms may include reddish-orange patches (Latin: rubra) on the skin, severe flaking (Latin: pityriasis), uncomfortable itching, thickening of the skin on the feet and hands, and thickened bumps around hair follicles (Latin: pilus for hair).