Chemical burn

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Image:2nd degree AgNO3 burn.jpg
A second degree chemical burn, the result of prolonged contact to concentrated AgNO3, on the left hand of a Caucasian female.

A chemical burn occurs when living tissue is exposed to a reactive chemical substance such as a strong acid or base. Chemical burns follow standard burn classification and may cause extensive tissue damage. The main types of irritant and/or corrosive products: acids, bases, oxidizers, solvents, and reducing agents.

Chemical burns may:

  • need no source of heat,
  • occur immediately on contact,
  • be extremely painful, or
  • not be immediately evident or noticeable

The exact symptoms of a chemical burn depend on the chemical involved. Symptoms include itching, bleaching or darkening of skin, burning sensations, trouble breathing, coughing blood, tissue necrosis, and death. Sparklers and other fireworks that give off sparks or flames can give chemical burns as well as heat-induced burns. Other common sources of chemical burns include silver nitrate (AgNO3), hydrochloric acid (HCl), lye (NaOH), and lime (CaO). Chemical burns may occur through direct contact on body surfaces including skin and eyes, inhalation, and ingestion. Chemical fabrication, mining, medicine, and related professional fields are examples of occupations where chemical burns may occur.

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .

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