title: Formication and azathioprine therapy.
mesh_terms: D001000:Ants; D001379:Azathioprine / Q000009:adverse effects*; D004342:Drug Hypersensitivity / Q000209:etiology; D005260:Female; D006801:Humans; D008875:Middle Aged; D009422:Nervous System Diseases / Q000139:chemically induced; D012677:Sensation
chemical_list: D001379:Azathioprine