To help CPR practitioners to remember the order of the procedural steps, the acronym ABC was taught to stand for Airway, Breathing, Circulation. In 2010, the order of the steps was changed to Circulation, Airway, Breathing, so the acronym is now CAB.
The Itching is usually due to a disturbance in the skin of the external auditory canal. Ear canal skin is very sensitive. The slightest accumulation of debris, even a dead hair, may be felt as an itching sensation. Often, dryness in the ear is what causes inner ear itching.
If your itch is the result of an infection, hydrogen peroxide will be a good way to get rid of the bacteria or fungi causing the problem. Pour a few drops into your ear and let it bubble away. If you notice pain or discomfort, it may be a sign of infection. Water and alcohol.