Family practice: Headache lasting that long should be evaluated. It could be sinus pressure , allergies , or infection from viruses and bacteria. But it could be sign of something even more serious.
Answered 2/17/2016
5.2k views
Maybe: Your headache very likely is a consequence of your sinus congestion, even without drainage. It can be from allergic reaction to inhaled allergen like pollen, a viral infection or even a bacterial infection. However, you may be right that this is not from a bacterial infection as you are not systemically sicker (fever, chills, swelling around the facial area). Try otc anti-allergy/decongestant.
Answered 10/4/2016
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