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  • Title: Acute dyspnea in a postpartum patient.
    Author: Fittro K, Nichols W.
    Journal: JAAPA; 2014 Jan; 27(1):29-31. PubMed ID: 24361652.
    Abstract:
    Topical benzocaine sprays used to relieve perineal pain in postpartum patients can, rarely, lead to methemoglobinemia. In patients with other medical issues, such as anemia, methemoglobinemia can become symptomatic, causing acute dyspnea and potentially becoming life-threatening.
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