###Human: What is the cause for low platelet count? ###Assistant: Hello. Fever with a headache can occur in viral infection. Viral infection can affect the platelet count and can lead to low platelet count. Symptomatic management is done with Paracetamol and maintain your hydration. Your peripheral smear examination, a liver profile is also needed to be done for the primary work up. Peripheral smear examination will detect any parasite and abnormal cells if present. Repeat CBC (complete blood count) after few days and if still, it is elevated then, think of other investigations. For more information consult a hematologist online -->