At night in my right hip I have the sensation that worms are crawling under the skin, in about a 4" x 4" area. It's disturbing, had started years ago, ceased but has now been back for a couple months.
One of the first Google hits for "feels like worms under skin" is a condition called "Formication".
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Formication describes the feeling of insects crawling on or under the skin. This can be present with diabetic neuropathy, menopause, narcotic drug use, alcohol withdrawal, as a side effect of Ritalin and Lunesta, and in patients with Lyme disease.
I do have Peripheral Neuropathy , but currently just in my feet. Curiously the worm crawling sensation only starts at night, mostly lasts only a few minutes.