Symptoms of manic depression associated with bipolar disorder include difficulty making decisions, concentrating or remembering details, a feeling of hopelessness, a loss of interest in activities or hobbies previously enjoyed, and moods that consist of sad, empty or anxious feelings, explains WebMD. People with manic depression also feel worthless, helpless and guilty, and can develop physical symptoms such as chronic pain, digestive disorders and headaches.
People with manic depression may experience decreased energy or fatigue, insomnia or oversleeping, a change in appetite that can lead to weight loss or gain, and restlessness and irritability, according to WebMD. In extreme cases, individuals with manic depression may have thoughts of death or suicide.
Individuals suffering from manic depression may experience bouts of mania which produce symptoms such as inappropriate social behavior, sexual desires, elation or euphoria, explains WebMD. Mania also causes patients to experience racing thoughts, increased volume or speed when talking, increased energy, poor judgment and a decreased need for sleep. Some patients have grandiose beliefs during a mania stage of the disease.
Manic depression, also known as bipolar disorder, is a brain condition causing people to have extreme variances in behavior, mood and thinking, according to Healthline. Patients often alternate between a mania and depressive stages of the disease.