Do you suffer from a stabbing headache in the areas denoted in red? Do these headaches seemingly come out of nowhere one day? Perhaps started after a viral upper respiratory infection? You may be suffering from a condition known as contact point headache or a type of neuralgia involving one of the nerve plexuses found inside the nose: • Anterior ethmoid neuralgia (Sluder's neuralgia) • Sphenopalatine ganglion neuralgia (Pterygopalatine ganglion neuralgia) This type of headache …