I've been dealing with this sharp pain in the upper left side of my chest for about 56 days now, and it's kind of freaking me out. It just hits out of nowhere, especially when I cough or change position in bed. What could this be, and should I be worried?

It sounds like you may be experiencing musculoskeletal chest pain, which can be caused by inflammation of the muscles or tendons in the chest wall. To help relieve the pain, you can take over-the-counter pain relievers such as acetaminophen (Tylenol) or ibuprofen (Advil) as needed. Additionally, applying a warm compress to the area may also help relax the muscles and reduce pain. Make sure to rest and avoid activities that worsen the pain. If the pain persists or worsens, it's important to see a doctor for further evaluation and management.