 [ Symptoms ] i have chills a headache and a sore throat what might i have [ Disease ] it is hard to say so many illnesses begin with the symptoms you describe that guessing what you have would be folly you will have to wait until things progress a bit further to really know what is going on that said you might consider calling your medical provider to let them know about this because the flu influenza can cause these symptoms if you are diagnosed with flu within 48 hours of onset you can be treated with an antiviral drug however a cold virus or even severe pollen allergies also could cause the symptoms you describe like i said you might have to wait and see what develops meanwhile drink plenty of fluids get some rest and take some over the counter pain relievers if you are not allergic to them wishing you well