高锰酸钾在医学上用作局部抗感染和抗菌药物。处方和非处方均可得到。常见的摄入后副作用是腐蚀性胃肠道损伤和上呼吸道阻塞，但曾有成人全身中毒和死亡的报道。本文作者报道１例幼婴的严重高锰酸钾毒性导致全身中毒和死亡。 １名８周龄健康男婴因食入未知量的高锰酸钾（其母亲 Potassium permanganate is medically used as a topical anti-infective and anti-bacterial drug. Both prescription and non-prescription are available. Common side effects after ingestion are corrosive gastrointestinal injury and upper airway obstruction, but there have been reports of adult systemic poisoning and death. The authors report that 1 case of infant severe potassium permanganate toxicity lead to systemic poisoning and death. One 8-week-old healthy baby boy had ingested unknowns of potassium permanganate (her mother