Personality disorders are mental health conditions that affect how a person thinks, feels, and behaves. These disorders can lead to difficulties in relationships, work, and daily life. People with personality disorders may have rigid patterns of thinking and behaving that can cause distress for themselves and others. Common types include borderline personality disorder and narcissistic personality disorder. Treatment for personality disorders often involves therapy, such as cognitive-behavioral therapy (CBT), which helps individuals understand and change their thought patterns. In some cases, medication may also be prescribed to manage symptoms. With the right support, many people can learn to cope and improve their quality of life.