What to do if you suspect you or a loved one may have a psychiatric disorder 

Discuss with your lo. Try to explain that many psychiatric disorders are nothing more than medical abnormalities that are very treatable by psychiatrists.
To seek treatment. Psychiatric disorders should be approached as any other disorders, e.g. High blood pressure, diabetes, etc. Seeing a mental health professional, a psychiatrist or a psychologist for a comprehensive evaluation to reach a diagnosis and then seeking treatment through a combination of medications and psychotherapy or either of them alone or any other recommendations by the mental health professional.
See primary care. Please see your primary care physician for a general physical. Reversible causes of a mood disorder should be ruled out before seeing a psychiatrist. This can be done with a simple blood test.