HOW COLDS TRIGGER SINUS PROBLEMS
Colds are caused by a viral infection. This viral infection can cause nasal congestion, which in turn can lead to sinus congestion. Also, as part of the immune system response, mucus production increases. Now, not only are nasal passages blocked, but also mucus build-up is more rapid.
WHICH SINUSES ARE CAUSING YOUR SINUS PAIN?
causes forehead pain, headaches
causes pain between the eyes, across the nose
causes pain in the cheeks, upper jaw/teeth
causes pain behind the eyes, on the top of the scalp, along the back of the head