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- Common areas: Face, lips, tongue, moutheMedicine: Angioedema
- Caused by fluid leaking from blood vessels into surrounding tissueAllergy Clinic: Angioedema
- Over half the cases are idiopathic (no known cause)Allergy Clinic: Angioedema
- Usually lasts 48-72 hourseMedicine: Angioedema
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Angioedema is an inflammatory reaction beneath the surface of the skin, in contrast to urticaria (hives) which is an inflammatory response on the skin's surface. The condition can be brought about by an allergic reaction to certain substances.Mayo Clinic: Hives and Angioedema Mayo Clinic: Causes
Hereditary Angioedema (HAE)
A rare form of angioedema, HAE (aka Quincke's disease) can cause sudden and rapid swelling of the airway, genitals, digestive tract or limbs. There is generally no itching associated with HAE. It is caused by an inherited deficiency in or a defective form of a C1 inhibitor blood protein, which plays a role in regulating how the immune system functions. Up to 22% of people diagnosed with this condition die due to breathing problems.MedlinePlus: Hereditary Angioedema eMedicine: Pathophysiology Mayo Clinic: Hives and AngioedemaAcquired Angioedema (AAE)
AAE is similar to HAE, in that the cause is associated with low levels of C-1 or a malfunctioning version of the protein. Some forms of the disease have been associated with lymphomas and leukemias.eMedicine: PathophysiologyAllergic Angioedema
Angioedema can be caused by an allergic reaction to drugs, food, insect bites, animals and substances like latex. Allergic Angioedema is usually accompanied by hives.Mayo Clinic: Causes eMedicine: PathophysiologyMedication Induced Angioedema
Certain medications, including ACE inhibitors, can cause angioedema. Although only about 0.1-0.2% of people taking ACE Inhibitors develop the problem, it is a serious complication, with an 11% mortality rate.Symptoms
The symptoms of angioedema will vary depending on the areas that are affected. The main symptoms can include swelling, itching and/or pain at the site of inflammation. Other considerations include difficulty breathing if the area is in the airways and cramping in the abdomen if the digestive system is involved.Mayo Clinic: Symptoms MedlinePlus: SymptomsTreatments
There are several treatments available for angioedema. Medications available over the counter include antihistamines such as diphenhydramine. Some medications that can be prescribed by a health professional include prednisone, Clarinex, Zyrtec and hydroxyzine.Mayo Clinic: Treatments and Drugs-
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Angioedema Questions
Is there any permanent treatment for hereditary Angioedema 1 AnswerC1 inhibitor concentrate are a safe and effective means of both preventing attacks of hereditary angioedema and treating acute attacks. -quote- "Results: The in... read more -
Angioedema Support Groups, Discussions and Blogs
- eHealth Forum: Angioedemia Remedies (October 8, 2008)
- HealthBoards: Percocet Helping Swelling? Another Question on Angiodema (March 6, 2008)
- Live Journal: Angioedema (February 1, 2008)
- Leg's Life: Angioedema, You Can Kiss My Grits (January 29, 2008)
- WebMD: Are My Swollen Lips an Allergy (January 23, 2008)
- YouTube Video: Angioedema Blog (Time:9:38 )
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