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Chronic cases of hallucinations and delusions typify chronic psychiatric disorders such as schizophrenia and other delusional disorders. Delusions differ from hallucinations in that delusions refer to the mind's reasoning and thoughts, rather than its sensory inputs. For example, "delusions of grandeur" are typical in schizophrenia, where a patient may well truly believe that they are actually the leader of a country, or a reincarnation of someone important.
It is important to be precise about this symptom, and to dinstinguish true delusions from other symptoms such as paranoia, anxiety, fear, and other emotional states. Also, people have varying belief systems, and it's not always clear at what point a belief is valid, and at what point it becomes a "delusion"....more »
The following medical conditions are some of the possible
causes of Delusions.
There are likely to be other possible causes, so ask your doctor
about your symptoms.
Home medical tests possibly related to Delusions:
Review the causes of these more specific types of Delusions:
Listed below are some combinations of symptoms associated with Delusions, as listed in our database. Visit the Symptom Checker, to add and remove symptoms and research your condition.
Review further information on Delusions Treatments.
Real-life user stories relating to Delusions:
Symptom specific forums: The following patient stories in our interactive forums and message boards relate to Delusions or relevant symptoms:
Various tests are used in the diagnosis of Delusions. Some of these are listed below :
The following drugs, medications, substances or toxins are some of the possible
causes of Delusions as a symptom.
Always advise your doctor of any medications or treatments you are using,
including prescription, over-the-counter, supplements, herbal or alternative treatments.
When combined, certain drugs, medications, substances or toxins may react causing Delusions as a symptom. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.
Some of the comorbid or associated medical symptoms for Delusions may include these symptoms:
Research the causes of these more general types of symptom:
Research the causes of these symptoms that are similar to, or related to, the symptom Delusions:
During a consultation, your doctor will use various techniques to assess the symptom: Delusions. These will include a physical examination and possibly diagnostic tests. (Note: A physical exam is always done, diagnostic tests may or may not be performed depending on the suspected condition) Your doctor will ask several questions when assessing your condition. It is important to openly share any pertinent information to help your doctor make an accurate diagnosis.
It is also very important to bring an up-to-date list of all of your all medical conditions, medications including dosages, and names of numbers of any specialist you see.
Create your printable checklist here.
Read more about causes and Delusions deaths.
Schizophrenia often has misdiagnosed hidden cause: The book "Preventing Misdiagnosis of Women" reports on a study citing that 83% of people with a diagnosis of schizophrenia actually had brain lesions (i.e. brain...read more »
Cushing's disease can be mistaken for depression: Cushing's disease (or similarly Cushing's syndrome) is a possible misdiagnosis for a person diagnosed with depression. It is an endocrine disorder with many depressive-like characteristics, but also...read more »
Manic-depressive (bipolar) disorder often misdiagnosed: Bipolar disorder, also called manic-depressive disorder, is often misdiagnosed before reaching a correct diagnosis. Some of the common misdiagnoses include depression and schizophrenia. See ...read more »
Epilepsy misdiagnosed as schizophrenia: The book "Preventing Misdiagnosis of Women" reports on a case of a woman diagnosed with schizophrenia, but later diagnosed with a form of epilepsy called "temporal lobe epilepsy". A variety of sensory symptoms, such as the...read more »
Various mental health symptoms caused by rare epilepsy: Temporal lobe epilepsy is a less common form of epilepsy that does not have the typical physical seizures. Patients can suffer from...read more »
Lupus is often misdiagnosed as other conditions: Systemic lupus erythematosus (SLE), often simply called "lupus", is a difficult disease to diagnose and can manifest with numerous symptoms. Some of the possible...read more »
Undiagnosed stroke leads to misdiagnosed aphasia: BBC News UK reported on a man who had been institutionalized and treated for mental illness because he suffered from sudden inability to speak. This was initially misdiagnosed as a ...read more »
Dementia may be a drug interaction: A common scenario in aged care is for a patient to show mental decline to dementia. Whereas this can, of course, occur due to various medical conditions, such as a ...read more »
ADHD under-diagnosed in adults: Although the over-diagnoses of ADHD in children is a well-known controversy, the reverse side related to adults. Some adults can remain undiagnosed, and indeed the condition has usually been overlooked...read more »
Bipolar disorder misdiagosed as various conditions by primary physicians: Bipolar disorder (manic-depressive disorder) often fails to be diagnosed correctly by primary care physicians. Many patients with bipolar seek help from their physician,...read more »
Eating disorders under-diagnosed in men: The typical patient with an eating disorder is female. The result is that men with eating disorders often fail to be diagnosed or have a...read more »
Depression undiagnosed in teenagers: Serious bouts of depression can be undiagnosed in teenagers. The "normal" moodiness of teenagers can cause severe medical depression to be overlooked....read more »
Undiagnosed anxiety disorders related to depression: Patients with depression (see symptoms of depression) may also have undiagnosed anxiety disorders (see symptoms of anxiety disorders). Failure to diagnose these...read more »
Other ways to find a doctor, or use doctor, physician and specialist online research services:
Research extensive quality ratings and patient safety measures for hospitals, clinics and medical facilities in health specialties related to Delusions:
Rare types of medical conditions and diseases in related medical categories:
Conditions that are commonly undiagnosed in related areas may include:
The list of organs typically affected by Delusions may include, but is not limited to:
The list below shows some of the causes of Delusions mentioned in various sources:
This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Delusions. Of the 176 causes of Delusions that we have listed, we have the following prevalence/incidence information:
The following list of conditions have 'Delusions' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.
Select from the following alphabetical view of conditions which include a symptom of Delusions or choose View All.
The following list of medical conditions have Delusions or similar listed as a medical complication in our database. The distinction between a symptom and complication is not always clear, and conditions mentioning this symptom as a complication may also be relevant. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.
Ask or answer a question about symptoms or diseases at one of our free interactive user forums.
Medical story forums: If you have a medical story then we want to hear it.
This information shows analysis of the list of causes of Delusions based
on whether certain risk factors apply to the patient:
Depending on the seriousness of the onset of Delusions, you may want to consult one of the following medical professionals.
Important:In extreme cases, always seek advice from emergency services :
Subtypes of Delusions:
Medical Conditions associated with Delusions:
Symptoms related to Delusions:
Paranoia (115 causes), Isolation (116 causes), Hearing voices (7 causes), Hallucinations (288 causes), Schizophrenia, Schizotypal personality disorder, Schizoid personality disorder, Psychotic episode, Brief psychotic disorder, Postpartum psychosis (4 causes), Depression (629 causes), Major depressive episode, Major depressive disorder
Doctor-patient articles related to symptoms and diagnosis:
These general medical articles may be of interest:
Our news pages contain the following medical news summaries about Delusions and many other medical conditions:
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