Chronic copper poisoning:
(1) The most common respiratory symptoms of workers exposed to copper dust and copper smoke for a long time are cough, expectoration, chest pain, chest tightness, partial hemoptysis, congestion of nasopharyngeal mucosa, nasal septum ulcer, and even pneumoconiosis and metal smoke fever. ?
(2) Conjunctivitis and eyelid edema may occur when eyes are exposed to copper salts, and corneal opacity and ulcer may occur in severe cases. Workers engaged in the production of bullet steel shells are prone to copper cataract. ?
(3) Animal skin experiments show that copper dust can cause contact and allergic skin diseases, local skin redness, edema and ulcers. It has been reported that the positive rate of skin sensitization patch test is 88%, which can be improved after antiallergic treatment.
Copper: heavy metal, industrial exposure to copper itself will not cause acute or chronic poisoning. However, copper compounds such as copper sulfate, copper acetate and copper chloride are more toxic than copper itself.
Copper poisoning: disease name. Poisoning by inhaling a lot of copper dust and smoke or taking too much copper salt. Symptoms include headache, dizziness, general fatigue, blue staining of oral mucosa, metallic taste in the mouth, nausea and vomiting, severe abdominal pain and diarrhea, blue-green vomit and excrement, and even hematemesis and black feces. In severe cases, fever, tachycardia, blood pressure drop, coma, spasm, abnormal liver and kidney function, and even failure occur. The poisoning time is prolonged and hemolysis can be seen. Visible contact dermatitis, eczema and even necrosis caused by contact. It should be treated by combining traditional Chinese and western medicine.