• Increased physical and mental activity and energy

• Heightened mood, exaggerated optimism and self-confidence

• Excessive irritability, aggressive behavior

• Decreased need for sleep without fatigue

•Grandiose thoughts, inflated sense of self-importance

• Racing speech or racing thoughts
• Impulsiveness, poor judgment, distractibility

• Reckless behavior 

• In severe cases, delusions and hallucinations

• Prolonged sadness or unexplained crying spells

• Significant changes in appetite and sleep patterns

• Irritability, anger, worry, agitation, anxiety

• Pessimism, indifference

• Loss of energy, persistent lethargy

• Feelings of guilt, worthlessness

• Inability to concentrate, indecisiveness

• Inability to take pleasure in former interests, social withdrawal

• Unexplained aches and pains

• Recurring thoughts of death or suicide