Signs of oppositional defiant disorder in children are usually apparent before the age eight. Behaviors may occur most with people the child knows well, such as family members or care providers. These behaviors are frequent, not age appropriate, and cause significant issues at school, at home, and/or with peers.
- Losing one’s temper often.
- Frequent arguing with adults or refusing to comply with adults’ rules or requests.
- Often getting angry or being resentful or vindictive.
- Deliberately annoying others; easily becoming annoyed with others.
- Often blaming other people for one’s own mistakes or misbehavi