Aug 22, 2023 · These must count as one of the more bizarre symptoms of MS, with some describing a feeling like crawling insects. Between them, Cara, Helena and Caroline felt a real mix of odd skin sensations, which are also known as altered sensations.. Cara's symptoms started when she woke with a numb foot, a feeling that spread up her leg.Then came a painful 'electric shock' sensation in her spine, which ...