Itchiness; the sensation on the skin that makes you want to scratch.
この塗り薬はかゆみを抑える効果がある。
This ointment has an effect that relieves itching.
虫に刺されたところがかゆみでたまらない。
The spot where I was bitten by an insect is unbearably itchy.
季節の変わり目は肌のかゆみが増える人が多い。
Many people experience increased skin itchiness at the change of seasons.