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According to reports from his manager, Johnny Cash was hospitalized earlier this week due to an allergic reaction.
Cash's manager, Lou Robin, said that the country legend suffered an allergic reaction to either food he ate or medicine he took. He also added that although doctors don't think it's anything serious, "They're always cautious with any trouble he might have."
Cash is no stranger being in the hospital -- he suffers from a disease of the nervous system called autonomic neuropathy, which makes him susceptible to pneumonia. Last fall, Cash was in the hospital twice to treat bronchitis.