Paresthesia

Paresthesia is the medical term for an abnormal sensation in one's peripheral nerves, often described as tingling, pricking (“pins and needles”), burning, numbness, skin crawling, or itching. Paresthesia ia caused by disruption of nerve signals between the brain and the body, which may be temporary or may be caused by forms of neuropathy.

Prevalence

 * 2001, In a Belgian study, 66.4% of patients meeting the Fukuda criteria and 69.1% of patients meeting the Holmes criteria, in a cohort of 2073 CFS patients, reported numbness/paresthesia.

Symptom recognition
Pins and needles sensations areis a potential symptom of Long COVID in the World Health Organization's definition.

Possible causes

 * Neuropathies including diabetic neuropathy and small fiber peripheral neuropathy
 * Subacute beriberi, an illness resulting from inadequate thiamin (vitamin B1).

Potential treatments

 * Thiamin (vitamin B1)
 * Pyridoxine (vitamin B6)