Ear pain (otalgia) is common, often from infections (middle/outer ear), earwax, or pressure changes, but also referred pain from jaw (TMJ), teeth, throat, or sinus issues, potentially feeling sharp or dull, and varying in duration, with treatments including OTC pain relievers, home care (upright rest, cold packs), or antibiotics if bacterial, requiring doctor visits for persistent or severe cases, especially with fever or discharge