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'''For the WikiDoc page for this topic, click [[Mononucleosis|here]]'''
'''For the WikiDoc page for this topic, click [[Mononucleosis|here]]'''
{{Mononucleosis (patient information)}}
{{CMG}}; '''Assistant Editor-in-Chief:''' Ethan Leeman


{{SI}}
==Overview==
Infectious mononucleosis (IM) is a very prevalent viral infection caused by the [[Epstein-Barr virus]], a herpes virus. 90% of adults have been exposed to the mononucleosis, many as little children, when no symptoms or flu-like symptoms are exhibited. In underdeveloped countries, almost everyone is exposed at a very young age, so mononucleosis exists mostly in developed countries.


'''Editor-in-Chief:''' Ethan Leeman
==What are the symptoms of Mononucleosis?==
*Mononucleosis has an incubation period of 4-7 weeks, and symptoms are typically for 2-3 weeks, although [[fatigue]] can take longer.
 
*The main symptoms of infectious mononucleosis are:
:*[[Sore throat]] (more common in children)
:*[[Fever]]
:*[[Fatigue]]
:*[[Weight loss]]
:*[[Malaise]], general discomfort
:*[[Lymphadenopathy|Enlarged lymph nodes]] (more common in children)
:*[[Splenomegaly|Enlarged spleen]]
:*[[Hepatomegaly|Enlarged liver]] (more common in adults)
:*[[Jaundice]] (more common in adults)
 
*Some rarer and more serious symptoms are:
:*Lower levels of [[thrombocytopenia|platelets]] and [[anemia|blood cells]]
:*[[Splenic rupture|Rupture or hemorrhage of the spleen]]
:*[[Airway obstruction]]
:*[[Pneumonitis]]
 
*Cases are almost never fatal.
 
==What causes Mononucleosis?==
*Infectious mononucleosis is spread through immediate contact with saliva, hence the colloquial name "kissing disease". Sharing eating utensils is another way to transmit mononucleosis.
 
*Contact through air or blood does not spread mononucleosis.
 
*Even long after having been exposed to the virus and any acute symptoms are gone, people still carry the virus. They are typically not at risk of reinfection but are at risk of infecting others. Because so many people have been infected with the virus, prevention from exposure is near impossible.


{{EJ}}
==Who is at highest risk?==
*Mononucleosis is a very prevalent viral infection caused by the [[Epstein-Barr virus]], a herpes virus.


==What is Mononucleosis?==
*90% of adults have been exposed to the mononucleosis, many as little children, when no symptoms or flu-like symptoms are exhibited.  
'''Infectious mononucleosis (IM)''' is a very prevalent viral infection caused by the Epstein-Barr virus, a herpes virus. 90% of adults have been exposed to the mononucleosis, many as little children, when no symptoms or flu-like symptoms are exhibited. In underdeveloped countries, almost everyone is exposed at a very young age, so mononucleosis exists mostly in developed countries.


==What are the symptoms of Mononucleosis?==
*In underdeveloped countries, almost everyone is exposed at a very young age, so mononucleosis exists mostly in developed countries.
Mononucleosis has an incubation period of 4-7 weeks, and symptoms are typically for 2-3 weeks, although fatigue can take longer.
 
The main symptoms of infectious mononucleosis are:
==When to seek urgent medical care?==
*sore throat (more common in children)
*If you develop symptoms of mononucleosis contact your doctor.
*fever
 
*fatigue
==Diagnosis==
*weight loss
*During a physical examination, the doctor may find swollen lymph nodes in the front and back of your neck, as well as swollen tonsils with a whitish-yellow covering. The doctor might also feel a swollen liver or swollen spleen when pushing on your belly. There may be a skin rash.
*malaise, general discomfort
 
*enlarged lymph nodes (more common in children)
*Blood work often reveals a higher-than-normal white blood cell (WBC) count and unusual-looking white blood cells called atypical lymphocytes, which are seen when blood is examined under a microscope. Atypical lymphocytes and abnormal liver function tests are a hallmark sign of the disease.
*enlarged spleen
 
*enlarged liver (more common in adults)
*A monospot test will be positive for infectious mononucleosis.
*jaundice (more common in adults)
 
*A special test called an antibody titer can help your doctor distinguish a current (acute) EBV infection from one that occurred in the past.
 
==Treatment options==
*The goal of treatment is to relieve symptoms. Medicines such as [[steroids]] ([[prednisone]]) and antivirals (such as [[acyclovir]]) have little or no benefit.


Some rarer and more serious symptoms are:
*To relieve typical symptoms:
*lower levels of platelets and blood cells
:* Drink plenty of fluids.
*rupture or hemorrhage of the spleen
:* Gargle with warm salt water to ease a sore throat.
*airway obstruction
:* Get plenty of rest.
*pneumonitis
:* Take [[acetaminophen]] or [[ibuprofen]] for [[pain]] and [[fever]].
:* [[Prednisone]] is also sometimes to reduce throat inflammation.


Cases are almost never fatal.
*You should also avoid contact sports while the [[splenomegaly|spleen is swollen]] (to prevent it from [[splenic rupture|rupturing]]).


==What to do if you think you have Mononucleosis==
*Antibiotics should not be used, and almost always if used with mononucleosis can cause a non-allergic rash.
Your doctor can test for mononucleosis with a number of different tests. The most common is the searching for atypical lymphocytes in blood.


There are no antiviral drugs or treatment for mononucleosis aside from treating symptoms. Rest is recommended while symptoms are present, but activity should resume afterward. However, splenic ruptures are still possible so one should avoid contact sports that pose a threat.
==Where to find medical care for Mononucleosis?==
[http://maps.google.com/maps?q={{urlencode:{{#if:{{{1|}}}|{{{1}}}|map+top+hospital+Mononucleosis}}}}&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&sa=N&hl=en&tab=wl Directions to Hospitals Treating Mononucleosis]


Non-steroidal anti-inflammatories, like ibuprofen, can be used to reduce fever and pain. Prednisone is also sometimes to reduce throat inflammation. Antibiotics should not be used, and almost always if used with mononucleosis can cause a non-allergic rash.
==What to expect (Outlook/Prognosis)?==
The [[fever]] usually drops in 10 days, and swollen lymph glands and spleen heal in 4 weeks. [[Chronic fatigue syndrome|Fatigue]] usually goes away within a few weeks, but may linger for 2 to 3 months.


==How is Mononucleosis spread?==
==Possible complications==
Infectious mononucleosis is spread through immediate contact with saliva, hence the colloquial name "kissing disease." Sharing eating utensils is another way to transmit mononucleosis. Contact through air or blood does not spread mononucleosis.
* Death in persons with weakened immune systems
Even long after having been exposed to the virus and any acute symptoms are gone, people still carry the virus. They are typically not at risk of reinfection but are at risk of infecting others. Because so many people have been infected with the virus, prevention from exposure is near impossible.
* [[Hemolytic anemia]]
* [[Hepatitis]] with [[jaundice]] (more common in patients older than 35)
* Inflammation of the testicles ([[orchitis]])
* Neurological complications (rare), including:
:*[[Guillain-Barre syndrome]]
:*[[Meningitis]]
:*[[Seizures]]
:*Temporary facial paralysis ([[Bell's palsy]])
:*Uncoordinated movements ([[ataxia]])
* Secondary [[Strep throat|bacterial throat infection]]
* [[Splenic rupture|Spleen rupture]] (rare; avoid pressure on the spleen)


==Diseases with similar symptoms==
==Diseases with similar symptoms==
[[Strep throat (patient information)|Strep throat]]
[[Strep throat (patient information)|Strep throat]]
==Where to find medical care for Hepatitis A==
[http://maps.google.com/maps?f=q&hl=en&geocode=&q={{urlencode:{{#if:{{{1|}}}|{{{1}}}|Hepatitis A}}}}&sll=37.0625,-95.677068&sspn=65.008093,112.148438&ie=UTF8&ll=37.0625,-95.677068&spn=91.690419,149.414063&z=2&source=embed Directions to Hospitals Treating Hepatitis A]


==Sources==
==Sources==
[[http://en.wikipedia.org/wiki/EBV_infectious_mononucleosis Wikipedia]]
*[http://en.wikipedia.org/wiki/EBV_infectious_mononucleosis Wikipedia]
[[http://www.cdc.gov/ncidod/diseases/ebv.htm CDC]]
*[http://www.cdc.gov/ncidod/diseases/ebv.htm CDC]
[[http://www.nlm.nih.gov/medlineplus/infectiousmononucleosis.html Medline]]
*[http://www.nlm.nih.gov/medlineplus/infectiousmononucleosis.html Medline]
{{WS}}{{WH}}


[[Category:Medicine]]
[[Category:Lymphocytes]]
[[Category:Viral diseases]]
[[Category:Pediatrics]]


{{SIB}}
[[Category:Otolaryngology]]
[[Category:Patient Information]]  
[[Category:Patient information]]
{{WH}}
[[Category:Disease]]
{{WS}}

Latest revision as of 18:06, 18 September 2017

For the WikiDoc page for this topic, click here

Mononucleosis

Overview

What are the symptoms?

What are the causes?

Who is at highest risk?

When to seek urgent medical care?

Diagnosis

Treatment options

Where to find medical care for Mononucleosis?

What to expect (Outlook/Prognosis)?

Possible complications

Mononucleosis On the Web

Ongoing Trials at Clinical Trials.gov

Images of Mononucleosis

Videos on Mononucleosis

FDA on Mononucleosis

CDC on Mononucleosis

Mononucleosis in the news

Blogs on Mononucleosis

Directions to Hospitals Treating Mononucleosis

Risk calculators and risk factors for Mononucleosis

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Assistant Editor-in-Chief: Ethan Leeman

Overview

Infectious mononucleosis (IM) is a very prevalent viral infection caused by the Epstein-Barr virus, a herpes virus. 90% of adults have been exposed to the mononucleosis, many as little children, when no symptoms or flu-like symptoms are exhibited. In underdeveloped countries, almost everyone is exposed at a very young age, so mononucleosis exists mostly in developed countries.

What are the symptoms of Mononucleosis?

  • Mononucleosis has an incubation period of 4-7 weeks, and symptoms are typically for 2-3 weeks, although fatigue can take longer.
  • The main symptoms of infectious mononucleosis are:
  • Some rarer and more serious symptoms are:
  • Cases are almost never fatal.

What causes Mononucleosis?

  • Infectious mononucleosis is spread through immediate contact with saliva, hence the colloquial name "kissing disease". Sharing eating utensils is another way to transmit mononucleosis.
  • Contact through air or blood does not spread mononucleosis.
  • Even long after having been exposed to the virus and any acute symptoms are gone, people still carry the virus. They are typically not at risk of reinfection but are at risk of infecting others. Because so many people have been infected with the virus, prevention from exposure is near impossible.

Who is at highest risk?

  • Mononucleosis is a very prevalent viral infection caused by the Epstein-Barr virus, a herpes virus.
  • 90% of adults have been exposed to the mononucleosis, many as little children, when no symptoms or flu-like symptoms are exhibited.
  • In underdeveloped countries, almost everyone is exposed at a very young age, so mononucleosis exists mostly in developed countries.

When to seek urgent medical care?

  • If you develop symptoms of mononucleosis contact your doctor.

Diagnosis

  • During a physical examination, the doctor may find swollen lymph nodes in the front and back of your neck, as well as swollen tonsils with a whitish-yellow covering. The doctor might also feel a swollen liver or swollen spleen when pushing on your belly. There may be a skin rash.
  • Blood work often reveals a higher-than-normal white blood cell (WBC) count and unusual-looking white blood cells called atypical lymphocytes, which are seen when blood is examined under a microscope. Atypical lymphocytes and abnormal liver function tests are a hallmark sign of the disease.
  • A monospot test will be positive for infectious mononucleosis.
  • A special test called an antibody titer can help your doctor distinguish a current (acute) EBV infection from one that occurred in the past.

Treatment options

  • The goal of treatment is to relieve symptoms. Medicines such as steroids (prednisone) and antivirals (such as acyclovir) have little or no benefit.
  • To relieve typical symptoms:
  • Drink plenty of fluids.
  • Gargle with warm salt water to ease a sore throat.
  • Get plenty of rest.
  • Take acetaminophen or ibuprofen for pain and fever.
  • Prednisone is also sometimes to reduce throat inflammation.
  • Antibiotics should not be used, and almost always if used with mononucleosis can cause a non-allergic rash.

Where to find medical care for Mononucleosis?

Directions to Hospitals Treating Mononucleosis

What to expect (Outlook/Prognosis)?

The fever usually drops in 10 days, and swollen lymph glands and spleen heal in 4 weeks. Fatigue usually goes away within a few weeks, but may linger for 2 to 3 months.

Possible complications

  • Death in persons with weakened immune systems
  • Hemolytic anemia
  • Hepatitis with jaundice (more common in patients older than 35)
  • Inflammation of the testicles (orchitis)
  • Neurological complications (rare), including:

Diseases with similar symptoms

Strep throat

Sources

Template:WSTemplate:WH