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Laughter: Introduction

Laughter: Laughter as a symptom (e.g. inappropriate laughter). See detailed information below for a list of 10 causes of Laughter, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes.

» Review Causes of Laughter: Causes | Symptom Checker » | Assessment Questionnaire »

Causes of Laughter:

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

» Review Causes of Laughter: Causes | Symptom Checker » | Assessment Questionnaire »

Home Diagnostic Testing and Laughter

Home medical tests possibly related to Laughter:

Laughter: Symptom Checker

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

Symptom Checker

Symptom Checker

Laughter Treatments

Review further information on Laughter Treatments.

Stories from Users for Laughter

Real-life user stories relating to Laughter:

Message Boards for Laughter

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

Diagnostic tests for Laughter:

Various tests are used in the diagnosis of Laughter. 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.
  • Mini-mental state examination - if multi-infarct dementia is suspected to test memory and cognitive function.
  • Physical examination
    • If suspect multi-infarct dementia, examine for signs of vascular pathology e.g. high blood pressure, signs of previous strokes
    • If in an infant or child, examine for signs of Angelman's syndrome including severe intellectual disability and developmental delay (failure to match developmental milestones of other children such as delays in sitting and walking, delay in fine motor skills and delay in toilet training), profound speech impairment and lack of co-ordination with walking. These children have behavioural uniqueness with frequent laughter and smiling
  • more tests...»

Laughter: Comorbid Symptoms

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

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Causes of Similar Symptoms to Laughter

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

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

During a consultation, your doctor will use various techniques to assess the symptom: Laughter. 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 Laughter Assessment Questionnaire (9 listings)

Misdiagnosis and Laughter

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" and 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 Alzheimer's disease, 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 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 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 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 more »

Undiagnosed anxiety disorders related to depression: Patients with depression (see symptoms of depression) may also have undiagnosed anxiety disorders (see symptoms of more »

Laughter: Research Related Doctors & Specialists

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

Hospitals & Clinics: Laughter

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

Laughter: Related Rare Diseases

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

Laughter: Undiagnosed Conditions

Conditions that are commonly undiagnosed in related areas may include:

Detailed list of causes of Laughter

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

How Common are these Causes of Laughter?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Laughter. Of the 10 causes of Laughter that we have listed, we have the following prevalence/incidence information:

  • 1 causes are "very common" diseases
  • 1 causes are "common" diseases
  • 1 causes are "uncommon" diseases
  • 0 causes are "rare" diseases
  • 0 causes are "very rare" diseases
  • 8 causes have no prevalence information.

Conditions listing medical symptoms: Laughter:

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




Join in at the forums

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.

See a list of all the medical forums

Doctors and specialists: Who should I consult about Laughter?

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

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

Classifications of Laughter:

Medical Conditions associated with Laughter:

Emotional symptoms (2080 causes), Euphoria (78 causes), Mania (102 causes), Psychiatric symptom (971 causes), Mood symptoms (763 causes)

Symptoms related to Laughter:

Mania (102 causes), Euphoria (78 causes), Happiness, Normal happy personality, Drug intoxication, Substance abuse (17 causes), Tic disorders, Tourette syndrome, Social anxiety, Dementia (394 causes), Angelman syndrome

Medical articles on signs and symptoms:

Doctor-patient articles related to symptoms and diagnosis:

These general medical articles may be of interest:

More Ways To Research Medical Signs and Symptoms:


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