It is known that inhalation of cobalt influences respiratory organ, oral intake causes blush, low blood pressure, polycythemia,congestion, vomit, nervous deafness,convulsion,
enlargement of thyroid gland, kidney disorder, cardiac disorder. And skin inflammation by contact, irritation to conjunctiva and cornea has been informed. As a cobalt compound it is reported that it inhibits platelet function and obstructs blood coagulation.