Urticaria - Causes, Symptoms and Treatment .MF .
Urticaria - this is one of the most difficult in terms of diagnosis and treatment of diseases, which may come to the doctor the allergist-immunologist.Skin rash, hives can have many causes, which requires a thorough examination of the patient and balanced approach to its treatment.This article is devoted to the modern views on the cause of this disease and highlights the existing standards of diagnosis and treatment of urticaria.
Urticaria - a term that brings together under a whole group of diseases of different nature, but have similar clinical symptoms: skin blisters items by type, resembling a burn from nettles.
Urticaria - fairly common disease.Accurate statistics on its occurrence there, but a number of national studies have shown that at least once in her life, she appears in 31% of the population.A particular challenge for patients are a chronic form of the disease (hives lasting more than 6 weeks).
first detailed description of the symptoms of urticaria refers to 1882, al
reason urticaria hives
- a classic polietiologic disease.This means that the causes of the same symptoms may be set.
One of the most common types of the disease - allergic urticaria , which is based on immediate-type hypersensitivity.This mechanism is the basis of many allergic reactions.It is characterized by the rapid development of symptoms after intake of the allergen.This type of allergy is characteristic of the hives after insect bites or related to the use of food.
of immune mechanism of urticaria. Here, in the pathological process is based on the excessive formation of antigen-antibody complexes.(Antigen substance that causes an immune response and antibody protein produced by the human immune system to fight extracellular antigens. More about this in an article dedicated to the Immunity).This mechanism is often observed in reactions to medications, such as the introduction of serum.
also at the heart of skin problems may develop anaphylactoid reactions.Their distinguishing feature is the increased ability of mast cells (a special kind of cells are usually located under the skin and mucous membranes, and carrying a large amount of biologically active substances) to release accumulated in these enzymes and active proteins.Moreover, this process occurs without involving immune response in a cell.
reason urticaria can be liver pathology, leading to disruption of destruction of histamine - one of the most active participants of the allergic inflammation.
Often urticaria is consequence of autoimmune inflammation.State when the immune system begins to respond to the body's own tissue, as alien.
These are just a few of the most common mechanisms of development of hives.This problem is being actively investigated, and each year opens new and new aspects of it.
direct provocateur or stimulant acute urticaria can be use of drugs, foods, insect bites .Chronic urticaria often is based on some chronic pathologic process.In the old manuals wrote that skin rashes are a reflection of internal pathology.
diseases associated with chronic urticaria, that is capable to run the mechanisms that lead to the appearance of skin symptoms listed above:
1) diseases of the gastrointestinal tract (gastritis, colitis, cholecystitis, intestinal dysbiosis, fermentopathy).
2) Infection: bacterial (Helicobacter pylori, chronic infection foci in the oropharynx or the urinary tract, gynecological infection), viral (Herpes simplex, etc.), fungal (Candida, Trichophyton, etc.), parasitic infestation (helminthes)..
3) Endocrine diseases (autoimmune thyroiditis, diabetes, hyperthyroidism, hypothyroidism, disorders dysfunctional ovaries, etc.).
4) System connective tissue disorders (rheumatoid artirit etc.)
5) Lymphoproliferative disorders (myeloma, chronic lymphocytic leukemia, macroglobulinemia Valdestrema etc.).
6) tumors (colon carcinoma, rectum, liver, lungs and ovary, etc.).
7) Other diseases (sarcoidosis, amyloidosis).
symptoms of hives with photos
main symptom of urticaria - the appearance of blisters on the skin.Externally blister - a protruding skin, resembling a trace of sting or burn left by nettles.Skin element - accompanied by itching.The skin around the blister can be red.Items can merge, acquire gigantic proportions.The most common lesions are symmetrical.
characteristic feature of urticaria - complete reversibility elements.That is, after the relief of the skin disease attack back to its original state.No white spots, hyperpigmentation, scarring remains.Items can appear on any part of the skin, can migrate.For example, today in the hands of tomorrow on his stomach ...
Photos with detailed description of the symptoms of urticaria
Urticaria in children
Children prevail acute forms of urticaria.Urticaria is rarely occurs in children younger than 6 months.The most common form of allergic urticaria are marked.
For children suffering from urticaria, is characterized by the severity of exudation elements edematous, sharply raised above the skin.Pruritus typically stronger than those of adults.Perhaps the fever, the appearance of pain in the joints ...
More Urticaria in children
Hives during pregnancy
During pregnancy, there is excessive production of estrogens (female hormones), which is a risk factor for urticaria.Often the occurrence of hives is a symptom of developing preeclampsia in pregnant women.Characteristic features of urticaria in pregnancy are pronounced itching, insomnia, irritability, and scratches on the skin.
More Hives during pregnancy
What tests need to take hives
When urticaria should consult a dermatologist or a doctor or an allergist.
As we have said, such as urticaria symptom can be caused by a huge number of reasons.Therefore, a patient with urticaria always offer to hand over a large number of tests sufficient.This, of course, can scare, but no other way!If you do not establish the exact cause - the treatment may be ineffective.
recommended plan of examination of the patient with urticaria:
More What tests need to take hives
compulsory component of the treatment of urticaria is a diet, a special way of life (for details, see Features of diet and lifestyle with urticaria).Note that when a number urticaria forbidden drugs that can be administered to treat a patient with urticaria concomitant diseases.These medications include: aspirin and its derivatives, codeine, ACE inhibitors (Enap, Enam, hood, etc.).If you suffer or have suffered hives, you should be sure to notify your doctor, that he had not appointed to you drugs that can provoke an aggravation.
Traditionally, treatment of hives begin with antihistamines.Preferably, the use of drugs of 3rd generation: telfast, zirtek, erius etc.Sometimes (in chronic urticaria) requires a long, up to three months or more receiving agents.
drugs and dose of drugs for the treatment of hives
Treatment urticaria folk remedies.
Funds from the arsenal of traditional medicine, which I would recommend to patients with urticaria not.In addition, many of the recommended ways to treat hives may cause exacerbation of the disease.It talks about the fact that some recipes have helped someone, most often based on self-hypnosis.
Features of diet and lifestyle with urticaria.
In all forms of urticaria are counter stress, alcohol, smoking.We do not recommend prolonged exposure to the sun, especially for patients with solar urticaria.Do not overheat.Absolutely can not sunbathe.
necessary to avoid pressure on the skin.To do this, we must abandon the tight clothing, belts, suspenders.Not recommended for work involving heavy physical exertion.
possible appointment of local protective measures.For example, with solar urticaria requires the active use of sunscreen with a protection factor of at least 40, with cold urticaria - protective creams from a low temperature, such as baby cream or Frost Myustella cream with mink oil.
Amid worsening must be compliance with a hypoallergenic diet.
What can not be patient with urticaria
Possible complications of hives and forecast
Forecast for life, is generally favorable.Perhaps the development of angioedema proceeding with the development of edema of the upper respiratory tract.This state already bears a threat to life.
addition, urticaria may be a manifestation of internal diseases, including cancer, which certainly aggravates the prognosis for the patient.In 30% of cases occur chronic form of the disease.
measures aimed at preventing the development of hives are not developed.It is necessary to respect for a healthy lifestyle, early detection and treatment of opportunistic diseases.If you have frequent infectious diseases - rehabilitation of all possible foci of infection.
Answers to frequently asked questions about hives:
it possible to completely get rid of hives?The symptoms for more than 4 months.
appeared symptoms similar to hives.But the elements of more than one week stay in one place, there is no itching.Suprastin does not help.What do you advise?
I solar urticaria.I'm going on holiday to Turkey.What do you advise?
- Back Next & gt; & gt;