Headache on the right side of head

Dear Ask The Doctor: Headache on right side of my head . Behind my eye and temple . Lbeen about 10 days now. Please help

Dear Gary: There are numerous causes of headaches. Your headache could be caused due to migraine or a tension type of headache. Other causes could be stress, sinusitis etc. I suggest you have it checked by a doctor if Advil is not working for it.