Word

itchiness

noun

瘙痒；发痒

the unpleasant feeling on your skin that makes you want to scratch

1.
The state of being itchy.
发痒的状态；瘙痒感。
2.
an irritating cutaneous sensation that produces a desire to scratch
引起搔抓欲望的恼人皮肤感觉

发痒的状态；瘙痒感。；引起搔抓欲望的恼人皮肤感觉；瘙痒；发痒

In use

The new soap reduced the itchiness on my arms within a few days.

这种新肥皂几天内就减轻了我手臂上的瘙痒。

If the itchiness does not go away, you should see a doctor.

如果瘙痒没有消退，你应该去看医生。

The itchiness from the mosquito bites kept me awake all night.

蚊子叮咬引起的瘙痒让我整夜睡不着。

After the insect bite, I felt intense itchiness.

被虫咬后，我感到剧烈的瘙痒。

The patient complained of itchiness in his arms and legs.

病人抱怨手臂和腿部瘙痒。

Topical creams can relieve severe itchiness.

外用乳膏可以缓解严重的瘙痒。

My skin feels itchiness.My skin feels itchy.

动词feel后应接形容词，而非名词。itchy是形容词，itchiness是名词。

I have an itchiness on my arm.I have itchiness on my arm.

itchiness是不可数名词，不能与不定冠词an连用。应直接使用itchiness。

itch: 痒 · itchiness 强调发痒的状态或性质（如"the itchiness of the fabric"），而 itch 作为名词常指具体的痒的感觉或一阵痒（如"an itch on my arm"）。
scratch: 抓痕 · itchiness 是痒的感觉，而 scratch 是抓挠后留下的痕迹或抓的动作（名词）。

Dictionary facts from ECDICT, WIKTIONARY.