1. Mania: This is an emotional disorder characterized by heightened emotions or irritability as the main clinical manifestation. Patients may exhibit symptoms such as emotional instability, irritability, increased activity, high energy, high self-evaluation, and reduced sleep demand.
2. Anxiety disorder: Patients with anxiety disorder often experience emotional instability due to excessive worry and tension, which may manifest as irritability, irritability, and accompanied by emotional experiences such as anxiety, panic, and nervousness.
3. Hyperthyroidism: This is a disease caused by excessive secretion of thyroid hormones. In addition to symptoms of metabolic hyperactivity, patients often experience emotional changes such as irritability, restlessness, and emotional instability.
The above are only possible disease conditions, and the specific diagnosis needs to be determined by professional doctors based on the patient's detailed medical history, clinical manifestations, and necessary examination results.