Zinc oxide is the most common cause of metal fume fever, a condition characterized by shortness-of-breath, fatigue, cough, dyspnea, leukocytosis, thirst, salivation, and an elevated temperature caused by the inhalation of metal fumes. The most common source of metal fume fever and zinc exposure in agriculture is through welding zinc-coated metal products. Other causes of metal fume fever are fumes of copper, magnesium, aluminum, antimony, iron, manganese, and nickel. Metal fume fever from agriculture micronutrients has not been described in the literature. The condition is usually self-limiting and treatment is supportive (25).

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