... muscular cramps, tachypnea, tachycardia, anemia, hyper-kalemia, electrocardiographic changes, burning sensations, peripheral neuropathy (focal anesthesia and paresthesia), agitation, and hallucinations. ... conductors of heat and electricity.© 2009 by Taylor & Francis Group, LLC100 Safe Use of Chemicals: A Practical Guide wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting. ... respiratory irritation, and hyperpigmentation of skin. Acute exposure causes fever, anorexia, hepato-megaly, melanosis, ischemic heart disease, cardiac arrhythmias, and car-diovascular failure....