• Matthias Kästner, Christoph Josef Hemmer, and Emil Christian Reisinger.
• Abteilung für Tropenmedizin und Infektionskrankheiten mit Sektion Nephrologie der Universitätsmedizin Rostock.
• Dtsch. Med. Wochenschr. 2024 Apr 1; 149 (8): 454457454-457.

History A 42-year-old female presented with a two-day history of vomiting, diarrhea, fever and chills. Two weeks before she had returned to Germany from a Safari in Tanzania. She had disregarded the recommendation to take antimalarial chemoprophylaxis.Clinical Findings And Diagnosis The thin blood film showed Plasmodium falciparum-parasitized erythrocytes, and Plasmodium falciparum malaria was diagnosed. The full blood count showed thrombocytopenia and ultrasound imaging revealed splenomegaly. Initially the criteria for complicated malaria were not fulfilled.Therapy And Course We started oral therapy with atovaquone/proguanil. The patient vomited the tablets twice. Therefore therapy was switched to intravenous artesunate. Subsequently, parasitemia dropped from 2.8 to 1.0 % within 22 hours. After 3 days of artesunate i. v., treatment could then be completed with oral atovaquone/proguanil, and the symptoms resolved.Conclusions Patients with malaria and persistent vomiting should be treated intravenously and monitored closely, as severe gastrointestinal symptoms may reflect impending organ failure. We therefore propose including persistent vomiting in the list of criteria for complicated malaria.Thieme. All rights reserved.

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