You should consult a psychiatrist neer by.Sometimes issues related to your personal or professional life might create this type of symptoms ,you just analyze yourself and u might be able to find out the solution.

You need a thorough psychiatric evaluation for your symptoms. Depressive symptoms and mood swings can be a normal reaction to life stressors or may be a sign of a mental illness. Irritability and anger are often associated with depression .A psychiatric evaluation will help in determining whether you need medicines or psychotherapy or both.