Mixed infections with two or more species of Plasmodium are frequently reported due to vector factors, parasite factors (formation of hypnozoites) and host factors (residing in endemic areas, travel to endemic areas, inadequately treated previous infection, lack of compliance to therapy). Here we report a case of a 33-year-old Saudi female who had a significant travel history, and a peripheral blood smear (PBS) revealed mixed infection with P. falciparum and P. vivax. The case was successfully treated with a combination therapy of artemisinin and primaquine with follow up testing at three, seven, 14, and 28 days. Mixed malaria infections are especially reported in travelers to endemic areas. Hence, adequate diagnosis and appropriate treatment of the cases contributes majorly to preventing relapse and controlling the disease. Travel consultations should be given to all travelers before their trips to endemic countries.
Keywords: Falciparum malaria; Malaria; Plasmodium falciparum; Plasmodium vivax; case report.
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