Top of the pageOverviewEarwax is a natural substance that protects the ear canal. Normally, earwax drains from the ears and does not cause problems. Sometimes earwax builds up in the ear canal and hardens. Earwax blockage (also called cerumen impaction) can cause some loss of hearing and pain. When wax is tightly packed, you will need to have your doctor remove it.Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.How can you care for yourself at home?Do not try to remove earwax with cotton swabs, fingers, or other objects. This can make the blockage worse and damage the eardrum. If your doctor recommends that you try to remove earwax at home: Soften and loosen the earwax with warm mineral oil. You also can try hydrogen peroxide mixed wit...