Oppositional defiant disorder (ODD) is a type of behaviour disorder typically diagnosed in childhood. In children, this disorder normally makes them uncooperative, defiant, and hostile towards their peers or authority figures.

Adults with ODD usually display a pattern of negative, hostile and defiant behaviour for some time and the following symptoms usually accompany this behaviour:

• Often loses temper
• Often argues with family and coworkers.
• Defies or refuses to follow the rules and laws.
• Purposely annoys people
• Blames others for his or their mistakes or misbehaviour
• Easily annoyed by others.
• Angry and resentful
• Spiteful or vindictive

Adults who struggle with this mental health condition feel mad at the world or misunderstood or disliked. In addition, their constant aversion to authority makes it difficult for them to keep a job or maintain relationships.

Early treatment for ODD can prevent future issues in the individual's life. In addition, cognitive behavioural therapy helps teach the appropriate communication tools, especially when the individual feels angry.