itch

Have a strong desire or urge to do something.

“She is itching to start the project”

Scrape or rub as if to relieve itching.

Have or perceive an itch.

“I'm itching--the air is so dry!”

An irritating cutaneous sensation that produces a desire to scratch.

A contagious skin infection caused by the itch mite; characterized by persistent itching and skin irritation.

“he has a bad case of the itch”

A strong restless desire.