Jul 5, - Along with ear congestion, fungal ear infections can also cause ringing in the ears, swelling, pain, itching, and hearing problems. Serous Otitis Media. This is a type of middle ear disorder with a buildup of clear, or serous, fluid. It often also causes hearing loss. It is not the same as acute otitis media, which is typically from infection. OME can happen when you have a cold if congestion blocks the passage that drains the middle ear. This passage is called the eustachian tube. OME may also occur with nasal allergies or after a bacterial middle ear infection.