The important point here is that your son was potty trained and is now soiling his pants at the age of almost 4 years.This could well be attention seeking behaviour.He also is very defiant and his behaviour is suggestive of a psychological condition called oppositional defiant disorder or ODD [look this up on Google]. He should be seen by a child psychologist.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.