• What clinical clues differentiate migraine from sinus headaches? 

    Boisselle, Christopher; Guthmann, Richard A.; Cable, Kathy (Family Physicians Inquiries Network, 2013-12)
    Evidence-based answer: Patients with sinus headaches have thick nasal discharge, fever, chills, sweats, or abnormally malodorous breath (SOR: B, cross-sectional study). The 5 symptoms that are most predictive of migraine ...