Hi
Welcome to the MedHelp forum!
Headache with fever is especially seen in viral fevers, dengue, typhoid, malaria, and H1N1 infection. Low grade fever with headache can be due to stress, dehydration, anemia, or tuberculosis. Frontal sinusitis, upper respiratory infections, dental infections etc can also cause headache with fever.
Wait for your lab results. Meanwhile keep sipping fluids and keep the temperature under control by acetaminophen. Take care!