Formication is also called a tactile hallucination. This

means that you’re feeling a sensation that has no physical cause.

 

Some conditions that may cause formication include:

• anxiety
• fibromyalgia
• Parkinson’s disease
• diabetic neuropathy
• herpes zoster (shingles)
• Lyme disease
• skin cancer, such as cutaneous squamous cell carcinoma
• perimenopause