What mental illness makes you delusional?

Mental illness can affect individuals in a variety of ways, from mild to severe. One of the most common symptoms of mental illness is delusional thinking, which is a type of belief that involves having fixed thoughts that are not based in reality. In this blog post, we will explore some of the mental illnesses that can cause delusions.

Delusions are a sign of psychosis, which is a term used to describe a group of symptoms that indicate an individual’s perception of reality is distorted. The majority of mental illnesses associated with delusions involve psychosis, including schizophrenia, schizoaffective disorder, bipolar disorder with psychosis, and major depression with psychotic features. Other conditions such as dementia can also cause delusions as well.

Schizophrenia is one of the most commonly known mental illnesses associated with delusions. People with schizophrenia often experience hallucinations and have difficulty distinguishing between what’s real and what’s not. They may also suffer from disorganized or incoherent speech or behavior and have difficulty understanding social cues or engaging in normal conversations. Delusions experienced by people with schizophrenia may include false beliefs about themselves or their environment such as believing they are being watched or followed, or that they have special powers or abilities that no one else has.

Schizoaffective disorder is similar to schizophrenia but also includes symptoms associated with mood disorders such as depression and mania. People with this condition may experience delusions related to paranoia, grandiosity (believing they are more important than they actually are), persecution (believing someone is out to get them), jealousy (believing their partner is cheating on them), control (believing someone else has control over them) or nihilism (believing life has no meaning).

Read more:  Delusional Disorder Symptoms

Bipolar disorder with psychosis involves experiencing both manic and depressive episodes along with psychotic symptoms such as hallucinations and delusions. People affected by bipolar disorder may experience delusional thinking during manic episodes such as believing they have special abilities or powers beyond those possessed by others; however, these types of delusions tend to be less intense than those experienced by people suffering from schizophrenia and schizoaffective disorder. 

Major depression with psychotic features also involves experiencing both depressive and psychotic symptoms such as hallucinations or delusions. Most often these types of delusions involve themes related to guilt or worthlessness; for instance, an individual may believe they are responsible for something bad happening in the world even though there’s no evidence to support this belief.


Mental illness can cause individuals to experience a wide range of symptoms including delusions – false beliefs not based in reality. Delusional thinking can be a sign of psychosis which occurs in several different mental health conditions including schizophrenia, schizoaffective disorder, bipolar disorder with psychosis and major depression with psychotic features among others. It’s important to seek help if you believe you or someone you know might be experiencing any form of mental illness so that proper treatment can be obtained before things become worse. If left untreated, mental illness can lead to serious complications including financial problems, relationship issues and even suicide attempts so it’s important to get help right away if you think something might be wrong!

Edith Nesbit

Nesbit was a fierce advocate for women's rights, and her writing reflects her commitment to this cause. She was a member of the Women's Social and Political Union (WSPU), a suffrage organization that fought for women's right to vote, and her works often featured strong, independent female characters who challenged societal norms and expectations.

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