MIDDLE EAR INFECTIONS - Caused by infections that stem from a SORE THROAT, SINUSITIS, etc. eg. Fluid building up behind the ear drums, or a PERFORATED EAR DRUM
2) FOREIGN BODY IN EAR like a broken pencil tip, Live insect, etc. 3) IMPACTED WAX Along with pain, patient will also have DECREASED HEARING, and EAR FULLNESS.
4) CHANGE IN PRESSURE, such as when flying on a plane, or deep sea diving. 5) TRIGEMINAL NEURALGIA aka chronic facial nerve pain