Not everyone who is depressed or manic experiences every symptom. Some people experience a few symptoms and some many symptoms. The severity of symptoms also varies with individuals: Persistently sad, anxious, or "empty" mood, Feelings of hopelessness, pessimism, Feelings of guilt, worthlessness, helplessness, Loss of interest or pleasure in hobbies and activities that were once enjoyed, including sex, Insomnia, early-morning awakening, or oversleeping, Decreased appetite and/or weight loss, or overeating and weight gain, Fatigue, decreased energy, being "slowed down,"
Thoughts of death or suicide, suicide attempts, Restlessness, irritability, Difficulty concentrating, remembering, making decisions, Persistent physical symptoms that do not respond to treatment, such as headaches, digestive disorders, and chronic pain.