But figuring out what's causing sinus pain without congestion can be confusing because the same major nerve is responsible for feeling pain in the upper part of the face and scalp, the sinus area ...
In the cavernous sinus, blockage of venous outflow causes proptosis and chemosis. Pain is usually present due to involvement of trigeminal nerve. Bilaterality also suggests cavernous sinus ...
Several randomized studies examined the injection of lidocaine or a derivative thereof into the carotid sinus nerve but found no differences in the incidences of hemodynamic changes or the need ...
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