Hi,
If you are a mouth breather and have chronic nose blockage or chronic pain at forehead or at maxilla(cheeks) most common sinus location then probably you have sinus congestion. These are all probabilities as I have not examined you and there can be multiple causes or else diagnosis once you have been examined.
If you feel dizziness once you are moving your neck,or if you have pain or stiffness in moving the the shoulder or neck you might be having symptoms due to cervical spondylosis. Stif ...
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