Regular checkups allow health problems to be detected early. Immunizations produce antibodies that fight off the germs causing certain diseases. Children who have allergies and asthma can take steps to avoid the causes and treat the symptoms. Common childhood diseases include ear infections and the common cold. Caregivers should know what steps to follow when a child gets injured. The rescue technique to use with a choking victim depends on the person's age. Rescue breathing is needed for someone who stops breathing. If the person does not respond to rescue breathing, CPR, which combines rescue breathing with chest compressions, should be used.