What mental illness are you experiencing symptoms include headache fatigue lighteadedness nausea hearing and seeing things that there unexpected outbursts of crying?

It is not possible for me to provide a medical diagnosis, that should be done by a qualified medical professional. However, your list does include some of the symptoms that are seen commonly in Schizophrenia and Bipolar disorders These conditions should be treated by a licensed therapist who can perform diagnostic assessments and provide support