Résumé
I report two cases in which chikujountanto was effective for psychiatric symptoms after acute infection. Case 1 was a patient with depression after the common cold, which did not respond to the standard treatment with Western medicines using antidepressants, and was cured by honchiho with Kampo medicine. Case 2 was a patient with delirium after influenza, and kinds of untanto were highly effective. There is a neuroinflammatory hypothesis in the etiology of depression, and there are reports examining the clinical application of NSAIDS for neural inflammation, but the development of new pharmacotherapeutic drugs for targeting neuroinflammation has just only begun. On the other hand, it was found that the constituent crude drugs of Kampo medicine have anti-inflammatory effects, which is considered to be one of the factors leading to a cure. It was suggested that chikujountanto might be one of the differential prescriptions for psychiatric symptoms after suffering from the new coronavirus infection (COVID-19).