The discussion revolves around an individual experiencing unusual ear sensations and pressure changes after blowing their nose while having a cold. They describe a loud noise from their ear and temporary hearing changes, raising concerns about potential ear infections or structural issues in their sinus cavities. Participants suggest that the symptoms could be linked to ear infections, pressure changes in the middle ear, or blockage in the Eustachian tube, which connects the middle ear to the nasal cavity. Some share personal experiences with ear infections, emphasizing that not all infections present with pain or typical symptoms. The consensus is to consult a doctor for a proper diagnosis, especially since the symptoms are recurring. Additionally, there are warnings against blowing the nose too forcefully, as it may lead to further complications. Overall, the conversation highlights the importance of medical advice in addressing ear-related issues during respiratory illnesses.