I hives?
initially to itching of about "I wonder if the mosquito bites?", and are scratching the crunching sound, quickly hives that redness and itching spreads. In fact, that the author was also carried in the ambulance in the middle of the night in the unknown cause of hives there are about 2 degrees. Whole body turns red tinged with heat, lips on sharp bleeding blood in order to face was swollen, his appearance is like your rock's.
which can not sigh mucosa has been swelling of mucous membranes of the nose and throat, was to fall to nearly breathing difficult. Although symptoms was subside as soon as receiving a drip in a hospital, I think you surprised that you get suddenly in such a condition in the middle of the night. What will happen because I hives? What are some of the possible types of hives? How do can I prevention and measures? I looked for the hives, such as.
hives and is
one of acute skin diseases
and urticaria, a type of acute skin diseases, human nettle since it is very similar to the symptoms that occur when touched to: (nettle urticaria), it is a disease that named hives is attached.
occur bulge red, such as mosquito bites in the part of the skin, spread it Gradually, it will appear the symptoms of itching throughout the body. Usually it is what we also caught redness also itching in a few hours from a few minutes, but when severe may also be followed by about one day from half a day.
even once subsided, also it occurs or rash, there seems to be repeating the symptoms with or different place becomes itchy. Such symptoms is "acute urticaria" what subside within a month, if that last more than one month is called "chronic urticaria".
will also have a "eczema" in diseases associated with itching of the skin, but in the case of eczema, appeared red Putsuputsu to part of the body, the surface has been rustling. This condition is so often followed by about one week from a few days. Eczema is not to continue with the symptoms worse, but the hives is characterized to and disappear out symptoms. The itching occurs is the same, because of different workarounds, please try to observe well the state of the rash.
want to know the difference between eczema and hives!
system goes? Hereditary?
people who think from the fact that swelling and itching of hives are moved around the body, and "than goes to the people?" it might have, but the hives is not a disease, such as moves to others.
In addition, Some people are concerned about the genetic, but basically never hives is inherited. Or in the case of people prone to atopic constitution allergies, but observed genetic tendency to the constitution, specifically what to cause allergy? That is, because those vary by living environment after birth, it does not seem to be necessarily that the same allergy is taken over.
, however, is a kind of cold urticaria for "angioedema" is, it seems there is also a thing to be inherited.
urticaria (hives) Q14 - dermatology Q & A (Public Interest Incorporated Orchestra Japan Dermatological Association)
symptoms of hives
skin of burning sensation
by people, you may feel a burning sensation in front of the itch. Tingling, after you have felt the discomfort of the affected area, such as do not think even the itch with pain such as Zowazowa, or feel a burning sensation, such as burn, there seems to be accompanied by a burning pain.
In addition, in the hives, which are said to angioedema, because the deep of the blood vessels of the skin to react, symptoms and skin redness of the itch is not seen too much, overall, such as eyelids and lips to become Harebottaku, it seems often to feel the tingling pain.
urticaria (hives) Q15 - dermatology Q & A (Public Interest Incorporated Orchestra Japan Dermatological Association)
rash itchy
of hives itching, cause itching of histamine from mast cells in the skin occurs at a chemical substance is released. The mast cells, granular cells in the blood vessels around the skin receives a some kind of stimuli that cause urticaria, and releasing chemicals, including histamine.
The histamine there is action to expand the blood vessels, that the skin can be rash in the leakage of the liquid component, which is called from there and plasma, will cause the itching by histamine to stimulate the nerves of the skin.
wheal
feature of urticaria " It is the red swelling called a wheal ". The wheals, that of the bulge by the liquid component that has leaked from the vessel (plasma component), from the circle or ellipse of 2 ~ 3mm ones, to those that spread like more of the map 10 cm is different. In the state so that the surface was flat raised, or form a ring sometimes dented the center, you may be in a linear, such as the weal.
At first, you may look like insect bites, and the rest for a few days marks in the case of insect bites, or have to feel something like a lump in, or scratching the surface is Jikujiku I think you were.
case of hives, so that disappear without a trace in a few hours features, will be the point at which the difference is determine. Time is also there, such as the remaining surface rustling or become brown once came out wheal many days, and the hives there is a possibility of another disease.
urticaria (hives) Q1 - dermatology Q & A (Public Interest Incorporated Orchestra Japan Dermatological Association)
breathing difficulty
When the symptoms worse, or swollen eyelids and lips, the respiratory tract, such as the nose and throat, intestines or feel the breathlessness and swelling of the mucous membrane is, it may cause diarrhea.
In addition, you must be careful because there is a case in which hives occurs as one of the symptoms of anaphylaxis. Another of the hives, such as wheal and itching symptoms, decrease or coughing of blood pressure, if you feel like suffocation, it is likely of anaphylaxis symptoms. Fall, the incontinence, such as difficult to breath, that it may fall into a life-threatening serious situation, let's seek medical immediately at the hospital.
urticaria (hives) Q7 - dermatology Q & A (Public Interest Incorporated Orchestra Japan Dermatological Association)
cause of hives
蕁cause of measles will be divided into two groups: the ones of the non-allergic those allergic. Cause of allergic urticaria, food, food additives, such as is the main plants and animals, of which the most well-known is what is referred to as a "Type I (immediate type) allergy".
protein called IgE on the surface of mast cells, that bind to an antigen (causing substances called allergens), mast cells is the mechanism that the hives are activation occurs. Non-allergic urticaria, the reaction of the antibody intended to be activated mast cells by another cause, friction and pressure, heat, such as a cold, is what caused by physical stimulation from the outside.
urticaria (hives) Q4 - dermatology Q & A (Public Interest Incorporated Orchestra Japan Dermatological Association)
food
hives, such as blue fish-based or tuna, such as mackerel, shrimp, crab, etc. it will include the shellfish, dairy products such as cheese and milk. In the case of allergic urticaria, most people are familiar with their own constitution, because there is no to the food that causes the mouth, the case that the actual onset perhaps less.
In addition, it is said pork, beef, chicken, eggs, soy, wheat, food, such as buckwheat is also a food that causes the hives. You may also notice that food additives such as population dyes and preservatives cause.
plants, insects
in allergic urticaria, nettle, you may want to respond to the plant, such as rubber. In addition, such as bees and centipedes, sometimes hives occurs by insect bites with poison.
House dust and infectious diseases
pollen, house dust, if you cause an allergic reaction, such as pet hair, you may be complicated by urticaria. In addition, parasites, fungi (fungi), there are bacteria, some cases of developing hives by infection, such as a virus.
drug
antibiotics, cough, when you drank antipyretic analgesics There is that hives occurs. This is a disease called "aspirin intolerance", a non-steroidal anti-inflammatory drugs that are included in the drugs (NSAIDs) is the cause. In aspirin intolerance, other hives, there is also a case of developing asthma.
function deterioration of the liver
"liver we often hear the story that becomes bad hives can be, "but, in fact, does not seem that the disease of the liver are the immediate cause of the hives. If the jaundice in hepatitis is out, you may itch comes out, but it can not wheal. However, the hepatitis B seems to be a thing that happens is symptoms such as hives. In this case, the ordinary or followed wheal is a long period of time unlike hives, you or left marks.
urticaria, stress and fatigue will be the aggravating factor. The fact that liver function is impaired is evidence that accumulated stress and fatigue. People prone to hives constitution, will decrease in the liver function is also to attract the symptoms.
physical stimuli
non-allergic urticaria, the physical from the outside caused by a stimulus. By such as underwear of tightening and friction, redness that occurs in the itching and skin, it is one of the symptoms of hives.
not only tightening of the clothes, oppression and by the possession of the bag and shopping basket, it may cause also, such as the vibration of the massage machine. In addition, such a long period of time thermal feeling and when you hit the kotatsu and stoves, direct sunlight, will be cold, etc. also cause when exposed to cold air.
exercise, sweating
blood system diseases, people that there is such as collagen disease is , and when the body is warm like bathing and exercise, you may hives when you sweat. Being in not wipe while sweating, it is itching will continue to increase rapidly. Not only when the body has warmed up, there seems to be able to develop even when the sweat comes out by excessive tension.
stress fatigue
heart stress and fatigue felt by the body and is intended to be a cause of various diseases. Urticaria is no exception, even if not be a cause of stress is direct, it has become the cause of deterioration. Particularly in the case of chronic urticaria for a long period of time is followed by symptoms, that in many patients, "there is a stress that is not aware" that and is so trend was observed that "would accept introverted the stress." .
urticaria (hives) Q7 - dermatology Q & A (Public Interest Incorporated Orchestra Japan Dermatological Association)
Amagasaki medical Coop hospital introduction
kind of hives
more than 70 percent of the hives is intended to be referred to as "idiopathic urticaria", cause of the idea suddenly you develop without. There is also to be induced due to fatigue and stress, it seems that often develop over the night from the evening.
If the cause is not known, with "a visceral disease?" But would suspect that, most is that they do not see any visceral disease even if the actual inspection. The stimulus-induced type of hives that can pinpoint a certain cause, there is such kind of following.
food urticaria
the food of the hives, cause allergic and those that occur in, there are things not. The food that causes the allergy, ahead was like mackerel, blue fish such as mackerel, tuna, shrimp, fish and shellfish, such as crab, pork, beef, meat such as chicken, soy, wheat, other grains, such as buckwheat, tomato vegetables and apples, such as cabbage and, there is a fruit, such as melons.
what hives happens when you ingest certain things is the fact that allergic food urticaria. This type of urticaria, only a few percent of the whole of the book, by the skin test or blood test that uses a suspected food extract, you can locate easily cause.
However, in the food urticaria is not due to allergic reactions, or acts on substances similar to histamine directly vessels contained in the food, easy to release histamine in addition to the antigen There are those caused by that it contains the component.
is those famous, I there is a case where the parasite that attaches to the blue fish "Anisakis" is cause hives in the cause. Also, to say that the pseudoaneurysm allergens, food that contains a substance similar to histamine, for example, pork, there are old mackerel, tuna, bamboo shoots, some cases develop when you eat such as spinach. In addition to cheese, red wine, chocolate, easy foods that induce histamine, such as spices and food additives.
In such a case, to eat the same food, physical condition and eat the amount of the day, to or not out and out symptoms by cooking method, quite cause be subjected to a blood test or skin test It can not seem to locate. In any case, if the food is the cause, so also it develops only when you eat certain foods, if the symptoms for a long period of time continues, will the fact that food is not the cause.
urticaria (hives) Q5 - dermatology Q & A (Public Interest Incorporated Orchestra Japan Dermatological Association)
drug-induced hives
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