Causes of<unk>  include normal states such as onset of menopause (i.e. hormone withdrawal). Other causes are medical conditions such as pesticide exposure, mercury poisoning, diabetic neuropathy, skin cancer, syphilis, Lyme disease, hypocalcaemia, or herpes zoster (shingles) and neurocysticercosis.<unk>  can be a result of stimulant intoxication or withdrawal (methamphetamine, Datura, cocaine, MDMA aka ecstasy) or alcohol withdrawal in alcoholics (i.e. delirium tremens), and is often accompanied by visual hallucinations of insects (formicanopia). It can also occur as a symptom of benzodiazepine withdrawal, withdrawal from medication such as SSRI/SNRI antidepressants and tramadol; and as a side effect of opioid analgesics.
Formication
Staining
Seclusion
Tutoring
Volition
Stabilization 
Latch 
Healing