Eosinophilia: Difference between revisions
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{{Infobox medical condition | |||
| name = Eosinophilia | |||
| image = [[File:Eosinophils_in_peripheral_blood.jpg|left|thumb|Eosinophils in peripheral blood]] | |||
| caption = Eosinophils in peripheral blood | |||
| field = [[Hematology]] | |||
| synonyms = | |||
| symptoms = [[Fatigue (medical)|Fatigue]], [[cough]], [[rash]], [[shortness of breath]] | |||
| complications = [[Organ damage]], [[heart failure]], [[neuropathy]] | |||
| onset = | |||
| duration = | |||
| causes = [[Allergy|Allergies]], [[parasitic infection|parasitic infections]], [[autoimmune disease|autoimmune diseases]], [[cancer]] | |||
| risks = | |||
| diagnosis = [[Complete blood count]], [[bone marrow biopsy]] | |||
| differential = [[Leukemia]], [[lymphoma]], [[asthma]], [[eczema]] | |||
| prevention = | |||
| treatment = [[Corticosteroids]], [[antihistamines]], [[treatment of underlying cause]] | |||
| medication = | |||
| prognosis = | |||
| frequency = | |||
| deaths = | |||
}} | |||
'''Eosinophilia''' is a medical condition characterized by a high number of eosinophils in the blood. Eosinophils are a type of white blood cell that play a key role in the body's immune response, particularly in relation to infection and allergens. | '''Eosinophilia''' is a medical condition characterized by a high number of eosinophils in the blood. Eosinophils are a type of white blood cell that play a key role in the body's immune response, particularly in relation to infection and allergens. | ||
[[File:Eosinophilia 7.jpg|left|thumb|Eosinophilia 7]] | |||
[[File:Eosinophilia 7.jpg|thumb|Eosinophilia 7]] | |||
== Definition and Diagnosis == <!--T:2--> | == Definition and Diagnosis == <!--T:2--> | ||
Eosinophilia is typically defined as a peripheral blood eosinophil count greater than 500 cells/µL. The condition is further classified into mild (500-1500 cells/µL), moderate (1500-5000 cells/µL), and severe eosinophilia (>5000 cells/µL). Eosinophilia is usually detected during a complete blood count (CBC), a routine diagnostic test that measures the number of different types of cells in the blood. | |||
Eosinophilia is typically defined as a peripheral blood eosinophil count greater than 500 cells/ | == Causes == | ||
== Causes == | |||
Eosinophilia can occur in response to a variety of conditions, including: | Eosinophilia can occur in response to a variety of conditions, including: | ||
* Allergic diseases: These include [[asthma]], hay fever, drug allergies, and [[atopic dermatitis]]. | * Allergic diseases: These include [[asthma]], hay fever, drug allergies, and [[atopic dermatitis]]. | ||
* Infections: Parasitic infections are particularly known to cause eosinophilia. Certain bacterial and viral infections can also increase eosinophil count. | * Infections: Parasitic infections are particularly known to cause eosinophilia. Certain bacterial and viral infections can also increase eosinophil count. | ||
* Autoimmune diseases: Conditions such as [[rheumatoid arthritis]] and [[lupus]] can lead to eosinophilia. | * Autoimmune diseases: Conditions such as [[rheumatoid arthritis]] and [[lupus]] can lead to eosinophilia. | ||
* Hematologic disorders: Certain cancers, such as [[Hodgkin's lymphoma]] and [[acute myeloid leukemia]], can result in high eosinophil counts. | * Hematologic disorders: Certain cancers, such as [[Hodgkin's lymphoma]] and [[acute myeloid leukemia]], can result in high eosinophil counts. | ||
== Symptoms == | == Symptoms == | ||
Symptoms of eosinophilia are generally related to the underlying condition that is causing the increase in eosinophils. In cases of severe eosinophilia, complications can occur, such as damage to the heart, lungs, or nervous system. | Symptoms of eosinophilia are generally related to the underlying condition that is causing the increase in eosinophils. In cases of severe eosinophilia, complications can occur, such as damage to the heart, lungs, or nervous system. | ||
== Treatment == | |||
== Treatment == | |||
The treatment of eosinophilia primarily involves addressing the underlying cause. If a specific allergen is identified, for instance, the individual would be advised to avoid it. Infections would be treated with appropriate antimicrobial therapy. In some cases, corticosteroids may be used to quickly reduce the number of eosinophils in the blood. | The treatment of eosinophilia primarily involves addressing the underlying cause. If a specific allergen is identified, for instance, the individual would be advised to avoid it. Infections would be treated with appropriate antimicrobial therapy. In some cases, corticosteroids may be used to quickly reduce the number of eosinophils in the blood. | ||
== See Also == | |||
== See Also == | |||
* [[Eosinophilic esophagitis]] | * [[Eosinophilic esophagitis]] | ||
* [[Eosinophilic granulomatosis with polyangiitis]] | * [[Eosinophilic granulomatosis with polyangiitis]] | ||
* [[Hypereosinophilic syndrome]] | * [[Hypereosinophilic syndrome]] | ||
== External links == | |||
== External links == | |||
* [http://www.merckmanuals.com/home/blood_disorders/white_blood_cell_disorders/eosinophilia.html Eosinophilia - Merck Manual] | * [http://www.merckmanuals.com/home/blood_disorders/white_blood_cell_disorders/eosinophilia.html Eosinophilia - Merck Manual] | ||
[[Category:Blood disorders]] | [[Category:Blood disorders]] | ||
[[Category:Immunology]] | [[Category:Immunology]] | ||
[[Category:White blood cell disorders]] | [[Category:White blood cell disorders]] | ||
{{stub}} | {{stub}} | ||
Revision as of 14:51, 6 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD medical weight loss NYC and sleep center NYC
| Eosinophilia | |
|---|---|
 | |
| Synonyms | |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Fatigue, cough, rash, shortness of breath |
| Complications | Organ damage, heart failure, neuropathy |
| Onset | |
| Duration | |
| Types | N/A |
| Causes | Allergies, parasitic infections, autoimmune diseases, cancer |
| Risks | |
| Diagnosis | Complete blood count, bone marrow biopsy |
| Differential diagnosis | Leukemia, lymphoma, asthma, eczema |
| Prevention | |
| Treatment | Corticosteroids, antihistamines, treatment of underlying cause |
| Medication | |
| Prognosis | |
| Frequency | |
| Deaths | |
Eosinophilia is a medical condition characterized by a high number of eosinophils in the blood. Eosinophils are a type of white blood cell that play a key role in the body's immune response, particularly in relation to infection and allergens.
Definition and Diagnosis
Eosinophilia is typically defined as a peripheral blood eosinophil count greater than 500 cells/µL. The condition is further classified into mild (500-1500 cells/µL), moderate (1500-5000 cells/µL), and severe eosinophilia (>5000 cells/µL). Eosinophilia is usually detected during a complete blood count (CBC), a routine diagnostic test that measures the number of different types of cells in the blood.
Causes
Eosinophilia can occur in response to a variety of conditions, including:
- Allergic diseases: These include asthma, hay fever, drug allergies, and atopic dermatitis.
- Infections: Parasitic infections are particularly known to cause eosinophilia. Certain bacterial and viral infections can also increase eosinophil count.
- Autoimmune diseases: Conditions such as rheumatoid arthritis and lupus can lead to eosinophilia.
- Hematologic disorders: Certain cancers, such as Hodgkin's lymphoma and acute myeloid leukemia, can result in high eosinophil counts.
Symptoms
Symptoms of eosinophilia are generally related to the underlying condition that is causing the increase in eosinophils. In cases of severe eosinophilia, complications can occur, such as damage to the heart, lungs, or nervous system.
Treatment
The treatment of eosinophilia primarily involves addressing the underlying cause. If a specific allergen is identified, for instance, the individual would be advised to avoid it. Infections would be treated with appropriate antimicrobial therapy. In some cases, corticosteroids may be used to quickly reduce the number of eosinophils in the blood.
