I am experiencing hearing voices, delusions and mood swings.

Mood swings. and the other symptoms you mention indicate the need to see a mental health professional for diagnosis and support. You can start w/your family doctor if you are not sure where to go. He/she can refer you. If medication is offered that's ok but please get real therapy, learn strategies to help w/this. Peace and good health.

Related Questions

Is it possible to have schizophrenia if one experiences non-bizarre delusions, but no hallucinations, hearing voices or bizarre delusions?

Complicated, but yes. If someone has non-bizarre delusions and disorganized speech, grossly disorganized or catatonic behavior, or flat affect, alogia, or avolition, schizophrenia may be present. But, this might be the case only if there is significant disturbance in important areas of functioning in day-to-day life (e.g., work, school, relationships, self-care). A professional evaluation can help clarify this. Read more...
Delusional disorder. Delusional disorder is a condition characterized by non-bizarre delusions, the absence of hallucinations , this tends to occur in females over the age of 50. Read more...

Is medication need for infrequent (eg. Occuring few times a week) psychosis symtoms? Like hearing voices and delusions. Is therapy enough?

Judgment call. This is a decision that you make after consulting with your mental health professional (e.g., psychiatrist). Sometimes people will believe that they have hallucinations or delusions, when a professional might explain these symptoms differently (e.g., illusions or irrational beliefs). If the symptoms are significantly interfering with functioning medication begins to look more favorable. Read more...