Have a symptom?
See what questions
a doctor would ask.
See what questions
a doctor would ask.
Hallucinations can arise from a high fever or other illness involving a fever. These type of febrile hallucinations arise particularly in children and the elderly.
Chronic cases of hallucinations and delusions typify 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.
It is important to be precise about this symptom, and to dinstinguish true hallucinations from other symptoms such as nightmares, vision changes, delirium, dementia, aura (e.g. the "aura" before a migraine or faint), and delusions....more »
The following medical conditions are some of the possible
causes of Hallucinations.
There are likely to be other possible causes, so ask your doctor
about your symptoms.
Home medical tests possibly related to Hallucinations:
Review the causes of these more specific types of Hallucinations:
Review causes of more specific types of Hallucinations:
Listed below are some combinations of symptoms associated with Hallucinations, as listed in our database. Visit the Symptom Checker, to add and remove symptoms and research your condition.
Some of the possible treatments listed in sources for treatment of Hallucinations may include:
Review further information on Hallucinations Treatments.
Real-life user stories relating to Hallucinations:
Symptom specific forums: The following patient stories in our interactive forums and message boards relate to Hallucinations or relevant symptoms:
Various tests are used in the diagnosis of Hallucinations. Some of these are listed below :
The following drugs, medications, substances or toxins are some of the possible
causes of Hallucinations 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 Hallucinations 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 Hallucinations 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 Hallucinations:
During a consultation, your doctor will use various techniques to assess the symptom: Hallucinations. 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 Hallucinations deaths.
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 "nervous breakdown"...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 stroke or ...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 throughout childhood. There...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...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...read more »
Depression undiagnosed in teenagers: Serious bouts of depression can be undiagnosed in teenagers. The "normal" moodiness of teenagers can cause severe...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 anxiety disorders may worsen the...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 Hallucinations:
Rare types of medical conditions and diseases in related medical categories:
Conditions that are commonly undiagnosed in related areas may include:
Other medical conditions listed in the Disease Database as possible
causes of Hallucinations as a symptom include:
A hallucination is a false sensory perception in the absence of an external stimulus, as distinct from an illusion which is a misperception of an external stimulus. (from Wikipedia)
- (Source - Diseases Database)
The list of organs typically affected by Hallucinations may include, but is not limited to:
The list below shows some of the causes of Hallucinations 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 Hallucinations. Of the 288 causes of Hallucinations that we have listed, we have the following prevalence/incidence information:
The following list of conditions have 'Hallucinations' 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 Hallucinations or choose View All.
The following list of medical conditions have Hallucinations 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 Hallucinations based
on whether certain risk factors apply to the patient:
Depending on the seriousness of the onset of Hallucinations, you may want to consult one of the following medical professionals.
Important:In extreme cases, always seek advice from emergency services :
Subtypes of Hallucinations:
Medical Conditions associated with Hallucinations:
Symptoms related to Hallucinations:
Paranoia (115 causes), Delusions (176 causes), Schizophrenia, Alcohol withdrawal, Brain tumours (14 causes), Auditory hallucinations (48 causes), Visual hallucinations (55 causes), Cocaine abuse (2 causes), Tactile hallucination, Olfactory hallucinations
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 Hallucinations and many other medical conditions:
Search Specialists by State and City