Overview of the dangers of Basic Copper SulphateHealth hazard: Irritating to the respiratory tract after inhalation. Can cause asthma and pulmonary eosinophilia, can cause bronchitis. Irritating to the eyes. Skin contact can cause dermatitis and eczema, often accompanied by intense itching, called "nickel itch". A large amount of oral administration causes nausea, vomiting and dizziness....