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Published on: October 27, 2023
Local necrosis and interstitial nephritis due to topical methyl salicylate and menthol
Abstract:
Excessive percutaneous absorption of potentially toxic substances such as menthol and methyl salicylate may occur through local application of heat, such as the use of a heating pad. Menthol and methyl salicylate are found in nonprescription items and used for muscular and arthritic pains. This patient experienced full-thickness skin and muscle necrosis as well as persistent interstitial nephritis as a result of topical application of methyl salicylate and menthol followed by use of a heating pad, despite the manufacturer's warning against the use of heating pads.
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