Toxicology MERCURY POISONING and REPORT OF ۲ CASES.

All forms of mercury (liquid silver) are toxic specially in children including elemental mercury, Organic salts) methylmercury ;Minamata disease (and mineral (mercuric chloride(salts and finally acrodynia (Pink Disease). Sources of mercury include thermometers, lamps, barometers, Electronic components, amalgam, factory waste, fish from polluted waters and etc. Symptoms vary according to type, amount,duration, and method of exposure. Herein we report ۲ cases of severe mercury poisoning in spring of ۱۴۰۴,Both of them were ۱۳-year-old boys. The most common symptoms in both were arthralgia and muscle pain, mood disorders, and generalized skin rash with acral desquamation from ۱-۲ months ago. Both mentioned a history of playing with liquid metallic mercury brought from the school laboratory, one as his curiosity and for playing, and the other one for conducting physical and chemical lab exams at home. In case ۱, in addition to previously mentioned symptoms, there was hypertension, proteinuria, sleep and eating disorders, and in case ۲, there were attacks of sweating, irritability, involuntary crying, insomnia, and anorexia. Routine lab tests and primary rheumatological tests had been done for both patients, but didn't specific diagnosis had been reached. But they were not match with a specific disease. Blood and ۲۴-hour urine mercury level checked for both. Although blood mercury levels were done approximately ۱-۲ months after exposure; it was ۴۰ µg/L and ۱۵ µg/L in index cases. Along with other symptomatic treatments, they received chelators as succimer (dimercaprol) for ۱۹ days and at follow-up gradually their symptoms subsided.