An 86-year-old male living alone presented to the emergency department after being found unresponsive by neighbors. On arrival, he was unresponsive but started to regain consciousness. He complained of weakness and generalized muscle aches. The patient was admitted for daily ingestion of two bags of menthol-rich cough droplets for twenty years. He has been taking these droplets mainly for halitosis. However, based on the brand he was ingesting, menthol concentration was 10 mg per droplet.
He denied taking any other over-the-counter medications, supplements, or herbal medicines. On examination, blood pressure was 166/94 mmHg. He was disoriented by time and place, but able to follow simple commands. Skin examination showed multiple non-tender, macular skin lesions in different sizes ranging from 1-3 cm in diameter. These lesions were covered with dry yellow crusts over the forehead,…
