No specific and effective anti-viral treatment has been approved for COVID-19 so far. Systemic corticosteroid has been sometimes administered to severe infectious diseases combined with the specific treatment. However, as lack of the specific anti-SARS-CoV-2 drug, systemic steroid treatment has not been recommended for COVID-19. We report here three cases of the COVID-19 pneumonia successfully treated with ciclesonide inhalation. Rationale of the treatment is to mitigate the local inflammation with inhaled steroid that stays in the lung and to inhibit proliferation of the virus by antiviral activity. Larger and further studies are warranted to confirm the result of these cases.

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Acute infectious mononucleosis is a typical self-limited lymphoproliferative illness characterized by fever, tonsillar pharyngitis, and lymphadenopathy in adolescents and young adults. Thickening of the gallbladder wall is rarely observed. We report a case of infectious mononucleosis in which marked thickening of the gallbladder wall was detected by ultrasonography and computed tomography.

We herein report a case regarding a 90-year-old woman with a history of recurrent episodes of urinary tract infections presenting with fever. Urinalysis revealed bacteria and white blood cells. Computed tomography showed dilated and fecally loaded rectum and colon with signs of obstructive uropathy. The patient was treated for urinary tract infection and constipation. Her bowel habits were controlled with lubiprostone, and she was discharged in good medical condition. This case highlights the importance of considering fecal impaction as a cause of urinary tract obstruction or infection.

A 52-year-old woman presented with recurrent, severe abdominal pain. Laboratory tests and imaging were insignificant, and treatment for functional dyspepsia was ineffective. The poorly localized, dull, and severe abdominal pain, associated with anorexia, nausea, and vomiting, was consistent with abdominal migraine. The symptoms were relieved by loxoprofen and lomerizine, which are used in the treatment of migraine. We herein report a case of abdominal migraine in a middle-aged woman. Abdominal migraine should be considered as a cause of abdominal pain as it might easily be relieved by appropriate treatment.