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Symptoms » Personality change

Personality change

Personality change: Introduction

Further information about Personality change is below, or review more specific information about these types of Personality change: Psychotic Behaviour or other types.

Personality change: Change in a person's behavior and personality. See detailed information below for a list of 270 causes of Personality change, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes.

» Review Causes of Personality change: Causes | Symptom Checker » | Assessment Questionnaire »

Causes of Personality change:

The following medical conditions are some of the possible causes of Personality change. There are likely to be other possible causes, so ask your doctor about your symptoms.

» Review Causes of Personality change: Causes | Symptom Checker » | Assessment Questionnaire »

Home Diagnostic Testing and Personality change

Home medical tests possibly related to Personality change:

Causes of Types of Personality change:

Review the causes of these more specific types of Personality change:

Personality change: Symptom Checker

Listed below are some combinations of symptoms associated with Personality change, as listed in our database. Visit the Symptom Checker, to add and remove symptoms and research your condition.

Symptom Checker

Symptom Checker

Personality change Treatments

Review further information on Personality change Treatments.

Stories from Users for Personality change

Real-life user stories relating to Personality change:

Message Boards for Personality change

Symptom specific forums: The following patient stories in our interactive forums and message boards relate to Personality change or relevant symptoms:

Diagnostic tests for Personality change:

Various tests are used in the diagnosis of Personality change. Some of these are listed below :

  • Mental state examination - including appearance, behavior, rate and continuity of speech, mood, affect, thought content, evidence of any hallucinations or abnormal beliefs, orientation to time, place and person, attention and concentration, short-term memory, insight and judgement - Can help diagnose depression, anxiety and psychosis.
  • Mini-mental state examination - if dementia is suspected test memory and cognitive function.
  • Physical examination
    • Signs of delirium? - examine for signs that personality change may be due to delirium rather than mental illness or dementia ( e.g. temperature, neck stiffness may suggest meningitis, encephalitis or subarachnoid hemorrhage; neurological examination to look for focal neurological signs and papilledema may suggest stroke, brain cancer or traumatic brain injury).
    • If suspect multi-infarct dementia, examine for signs of vascular pathology e.g. high blood pressure, signs of previous strokes
  • Blood tests (if warranted)
    • Full blood count and ESR for evidence of infection and inflammation
  • more tests...»

Medications or substances causing Personality change:

The following drugs, medications, substances or toxins are some of the possible causes of Personality change 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.

  • Chloroquine Phosphate
  • Aralen Phosphate
  • Chloroquine and Primaquine
  • Aralen Phosphate with Primaquine Phosphate
  • Mysoline
  • Olanzapine
  • Zyprexa
  • more causes...»

Drug interactions causing Personality change:

When combined, certain drugs, medications, substances or toxins may react causing Personality change 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.

  • Bumex (Bumetanide) and Lanoxin (Digoxin) interaction
  • Diachlor (Chlorothiazide) and Lanoxin (Digoxin) interaction
  • Diuril (Chlorothiazide) and Lanoxin (Digoxin) interaction
  • Diucardin (Hydroflumethiazide) and Lanoxin (Digoxin) interaction
  • Saluron (Hydroflumethiazide) and Lanoxin (Digoxin) interaction
  • more interactions...»

Personality change: Comorbid Symptoms

Some of the comorbid or associated medical symptoms for Personality change may include these symptoms:

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Research the causes of related medical symptoms such as:

Causes of Similar Symptoms to Personality change

Research the causes of these symptoms that are similar to, or related to, the symptom Personality change:

Assessment Questionnaire: Questions your doctor may ask (and why!)

During a consultation, your doctor will use various techniques to assess the symptom: Personality change. 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.

See Personality change Assessment Questionnaire (40 listings)

Personality change: Deaths

Read more about causes and Personality change deaths.

Misdiagnosis and Personality change

Undiagnosed stroke leads to misdiagnosed aphasia: BBC News UK reported on a man who had been institutionalized and treated for mental illness 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 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, 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, 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 delayed diagnosis. See misdiagnosis of eating 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. See misdiagnosis of depression or symptoms of 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 more »

Personality change: Research Related Doctors & Specialists

Other ways to find a doctor, or use doctor, physician and specialist online research services:

Hospitals & Clinics: Personality change

Research extensive quality ratings and patient safety measures for hospitals, clinics and medical facilities in health specialties related to Personality change:

Personality change: Related Rare Diseases

Rare types of medical conditions and diseases in related medical categories:

Personality change: Undiagnosed Conditions

Conditions that are commonly undiagnosed in related areas may include:

Organs affected by Personality change:

The list of organs typically affected by Personality change may include, but is not limited to:

Detailed list of causes of Personality change

The list below shows some of the causes of Personality change mentioned in various sources:

How Common are these Causes of Personality change?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Personality change. Of the 270 causes of Personality change that we have listed, we have the following prevalence/incidence information:

  • 6 causes are "very common" diseases
  • 10 causes are "common" diseases
  • 5 causes are "uncommon" diseases
  • 2 causes are "rare" diseases
  • 10 causes are "very rare" diseases
  • 258 causes have no prevalence information.

Conditions listing medical symptoms: Personality change:

The following list of conditions have 'Personality change' 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 Personality change or choose View All.

View All A B C D E F G H I J K L M N O P R S T V W Y























Conditions listing medical complications: Personality change:

The following list of medical conditions have Personality change 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.








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Causes of Personality change Based on Risk Factors

This information shows analysis of the list of causes of Personality change based on whether certain risk factors apply to the patient:

  • Travel - has the patient travelled recently?
  • Diabetes - history of diabetes or family history of diabetes?

    Doctors and specialists: Who should I consult about Personality change?

    Depending on the seriousness of the onset of Personality change, you may want to consult one of the following medical professionals.

    Important:In extreme cases, always seek advice from emergency services :

    Classifications of Personality change:

    Subtypes of Personality change:

    Psychotic Behaviour (92 causes)

    Medical Conditions associated with Personality change:

    Personality symptoms (4029 causes), Behavioral symptoms (4608 causes)

    Symptoms related to Personality change:

    Depression (629 causes), Anxiety (895 causes), Personality symptoms (4029 causes), Moodiness (133 causes), Aggression (192 causes), Irritability (783 causes), Emotional (2080 causes), Dramatic, Aggressive (192 causes), Lack of remorse, Repeated lying, Impulsive (39 causes), Paranoia (115 causes), Chronic feelings of emptiness, Instability, ideas of reference, odd beliefs, reckless disregard

    Medical articles on signs and symptoms:

    Doctor-patient articles related to symptoms and diagnosis:

    These general medical articles may be of interest:

    Medical News summaries about Personality change

    Our news pages contain the following medical news summaries about Personality change and many other medical conditions:

    Evidence Based Medicine Research for Personality change

    Medical research papers related to Personality change include:

    Research More Evidence-Based Medicine at

    More Ways To Research Medical Signs and Symptoms:


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