There are creepy-crawly sensations, like insects crawling beneath their skin.Fatigue, difficulty concentrating, memory loss, and visual disturbances have also been reported.

• 有蠕动令人毛骨悚然的感觉，很像虫在皮肤下蠕动，也报告到会发生疲劳、注意力不集中、记忆力衰退、以及视力问题等。