Even after landing the pressure equalizing techniques can be continued, and decongestants and nasal sprays may be helpful. However, avoid making a habit of nasal sprays. After a few days, they may cause more congestion than they relieve.
If the child’s ears still fail to open, or if pain persists, you will need to seek the help of a physician who has experience in the care of ear disorders. He/she may need to release the pressure or fluid with a small incision in the ear drum.