The signs and symptoms of psychiatric illness can vary from person to person. In addition, the symptoms largely depend on the type of disorder, circumstances and other factors. Common symptoms of mental health disorders are related to thoughts, emotions, and behaviors. Some examples of signs and symptoms of mental illness include: - Feeling sad often or for prolonged periods - Excessive anxiety and extreme feelings of guilt - Difficulty concentrating - Extreme mood swings with defined highs and lows - Withdrawal from hobbies, activities and friends - Dissociation, detachment from reality - Sleeping problems and fatigue - Increased stress which is difficult to cope with - Difficulty relating to others - Substance abuse - Major diet changes - Sex drive changes - Violence - Suicidal thinking Aside from the above symptoms of mental health disorders, some patients experience physical pain in the stomach, neck, back, and head. If you experience symptoms of mental illness, it is important to consult a mental health professional to receive a diagnosis and effective treatment as soon as possible. Most mental illnesses do not improve on their own and can worsen over time. Support and resources are available with Global Neuro & Spine Institute.