We can not pin point one particular cause of schizophrenia. Once your disease was diagnosed as schizophrenia then you should go for treatment. Treatment is the only solution for schizophrenia.

Sir it can be genetic or due to chemical imbalance in the brain

It's due to neurotransmitter imbalance, and it is one of the cause but it's multifactorial

For your case the cause is not clear from ur information. To be honest we still don’t know what is exact cause of schizophrenia and we are working on it. Once we learn that will let u know can dengue causes schizophrenia or not ? But till not as per available data dengue may not have significant contribution to psychosis, still u suggest we can start a discussions to understand you. Let’s see.

Schizophrenia can develop due to genetic factors, Natal factors, Post Natal factors, Drug use. And then You may not have it as the type of insight you exhibit is not typical of it. So, get a second opinion and a thorough evaluation. Dr Rahul Kansal