Allergic substance. Medical search. Frequent questions

In allergic asthma, the attacks occur when substances known as allergens are inhaled, causing an allergic reaction. (medlineplus.gov)
Allergic reaction/dermatitis. (cdc.gov)
For example, people allergic to birch pollen may also find that they have an allergic reaction to the skin of apples or potatoes. (wikipedia.org)
When your body reacts to them, it causes an allergic reaction. (healthline.com)
An allergic reaction can take a number of forms. (healthline.com)
Some people experience difficulty breathing , coughing , burning eyes , and a runny nose when they're having an allergic reaction. (healthline.com)
The condition often occurs hours after you've been exposed to the substance that triggered the allergic reaction. (healthline.com)
The condition is known as a "delayed allergy" because it doesn't trigger an allergic reaction right away. (healthline.com)
For example, an allergic reaction can occur after using sunscreen and spending time in the sun. (healthline.com)
When your doctor removes the patches, they'll check for symptoms of an allergic reaction. (healthline.com)
Your doctor will check your skin again after two more days to see if you have a delayed allergic reaction. (healthline.com)
Delayed anaphylaxis -- a severe, life-threatening allergic reaction -- to meat has been identified initially in the southeastern United States. (sott.net)
Significantly, meat-induced anaphylaxis is the first food-induced severe allergic reaction due to a carbohydrate rather than a protein. (sott.net)
The hands are often the most vulnerable to allergic eczema symptoms because they are more likely to touch items that cause an allergic reaction. (medicalnewstoday.com)
The best treatment for allergic eczema is prevention, which means avoiding any irritants known to cause the reaction. (medicalnewstoday.com)
If a person has a severe allergic eczema reaction, which may involve extreme swelling with oozing and crusting, they should see their doctor. (medicalnewstoday.com)
Hives , also called urticaria (say: ur-tuh-KAR-ee-ah), also can be serious because they can be a sign of an allergic reaction and the person may need immediate medical attention. (kidshealth.org)
An allergy is an exaggerated reaction by the immune system in response to exposure to certain foreign substances. (medicinenet.com)
For information about the effectiveness of EpiPen, see the " EpiPen use for allergic reaction " section below. (medicalnewstoday.com)
Then, if you have a severe allergic reaction , you'll self-inject EpiPen, or someone else will do it for you. (medicalnewstoday.com)
EpiPen may not work to treat the allergic reaction if you inject it into the buttocks. (medicalnewstoday.com)
Though rare, this serious type of allergic reaction occurs after a person is exposed to an allergen (a substance they are allergic to), such as certain foods, medications, or insect stings. (medbroadcast.com)
Just about any substance can bring on an anaphylactic reaction. (medbroadcast.com)
When an allergen enters the body, it causes the body's immune system to develop an allergic reaction in a person with an allergy to it. (rxlist.com)
This reaction can occur when the immune system attacks a normally harmless substance (the allergen). (rxlist.com)
An allergic reaction may not occur the first time you are exposed to an allergen , but then occur on subsequent exposures. (diagnose-me.com)
Most allergic reactions are mild, but a severe allergic reaction ( anaphylaxis ) is more serious. (diagnose-me.com)
Histamine is a substance that the body releases during an allergic reaction. (kidshealth.org)
Peanut allergy -- What substance causes the reaction? (physicsforums.com)
The allergic reaction consists of the perception of our organism as harmful of a substance that is not (allergen). (cun.es)
An irritated nose or lungs may make an allergic reaction more likely when you breathe in an allergen. (healthlinkbc.ca)
How can an allergic reaction only affect my nose? (healthtap.com)
The substance that causes a reaction from exposure to all three of these plants is a toxic oil called urushiol, found in their sap. (mountainside-medical.com)
They develop it when they come into contact with a substance that triggers an allergic reaction in their eyes. (aoa.org)
Allergy Basics: What Happens During an Allergic Reaction? (webmd.com)
Some allergic reactions are mild, but others can produce life-threatening problems, including anaphylaxis, which is a whole-body allergic reaction. (webmd.com)
If you are having trouble breathing from an allergic reaction, you need to call 911, or get to the ER! (healingwell.com)
Anaphylaxis is an severe, whole-body allergic reaction. (healingwell.com)
On a subsequent exposure, an allergic reaction occurs. (healingwell.com)
they don't know the exact allergic reaction so i should go back to the hospital then tonight. (healingwell.com)
According to the leading experts in allergy, an allergic reaction begins in the immune system. (aaaai.org)
These antibodies travel to cells that release histamine and other chemicals, causing an allergic reaction. (aaaai.org)
Makeup Tips Image Gallery Could your makeup cause an allergic reaction? (howstuffworks.com)
People experiencing such problems may be having an allergic reaction to the makeup they use each day. (howstuffworks.com)
What causes an allergic reaction depends on each individual. (howstuffworks.com)
An allergic reaction happens when your immune system reacts to a foreign substance that it believes is dangerous. (howstuffworks.com)
The ingredients that are most likely to set off an allergic reaction are fragrances, which are found in most skin-care products. (howstuffworks.com)
What is an allergic reaction? (msdmanuals.com)
An allergic reaction is what happens when you touch, eat, or breathe something you're allergic to. (msdmanuals.com)
Food allergy is an allergic reaction caused by a certain food. (msdmanuals.com)
What are the symptoms of an allergic reaction? (msdmanuals.com)
How do doctors tell if I have an allergic reaction? (msdmanuals.com)
How do doctors treat an allergic reaction? (msdmanuals.com)
WHO Guidelines on submission of documentation: SPR approved SBPs version 19 July 2017 specific antibodies, T cell response, allergic or anaphylactic reaction). (who.int)
An allergen is a substance that causes exposed individuals to develop an allergic reaction in normal tissue after repeated exposure to the substance. (lu.se)
Allergic rhinitis usually presents in early childhood and is caused by an immunoglobulin E-mediated reaction to various allergens in the nasal mucosa. (medscape.com)

Allergens are harmless substances that the body's immune system mistakenly reacts to as though they are harmful. (medlineplus.gov)
Because of this hyperresponsiveness, attacks can be triggered by irritants other than allergens, such as physical activity, respiratory infections, or exposure to tobacco smoke, in people with allergic asthma. (medlineplus.gov)
Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air. (wikipedia.org)
Allergic rhinitis is typically triggered by environmental allergens such as pollen, pet hair, dust, or mold. (wikipedia.org)
These substances are known as allergens . (healthline.com)
The substances that cause allergic reactions are allergens . (aafa.org)
Substances that cause allergies (allergens) can trigger asthma. (aafa.org)
It's important to find this out because the best way to prevent rashes and hives caused by allergens is to avoid the problem food, substance, medicine, or bug. (kidshealth.org)
Allergy -producing substances are called 'allergens. (medicinenet.com)
Foods and medications are the two most common allergens that are ingested, and they can cause allergic reactions, some of which can be severe. (medicinenet.com)
This army of IgE antibodies attacks and engages the invading army of allergic substances of allergens. (rxlist.com)
The skin barrier in people with eczema may also allow germs, allergens, and other harmful substances to pass through skin more easily. (healthline.com)
The treatments for allergic rhinitis include avoiding things you are allergic to (allergens) and managing symptoms with medicine and other home treatment. (healthlinkbc.ca)
Allergens that cause allergic rhinitis include pollens and animal dander. (healthlinkbc.ca)
This type of asthma is triggered by airborne substances (allergens) such as pollen, pet dander, or mold spores. (medium.com)
A number of different allergens are responsible for allergic reactions. (aaaai.org)

Allergic eczema is an itchy skin rash that develops when you come into contact with an allergen. (healthline.com)
Allergic eczema occurs when you come into direct contact with an allergen. (healthline.com)
The symptoms of allergic eczema may not develop for 24 to 48 hours after you've come into contact with the allergen. (healthline.com)
Allergic eczema, also known as contact dermatitis, is a skin condition that occurs when a person's skin comes into contact with an allergen. (medicalnewstoday.com)
Allergic eczema is a form of eczema that occurs in response to contact with an allergen. (medicalnewstoday.com)
An allergen is any substance to which a person may be allergic. (medicalnewstoday.com)
A person can experience allergic eczema after touching an allergen, consuming something they are allergic to, or coming into contact with an airborne allergen, such as pollen. (medicalnewstoday.com)
Symptoms of allergic eczema usually only occur in the area of the skin that comes into contact with the allergen. (medicalnewstoday.com)
Allergic contact dermatitis is a rash caused by contact with an allergen (say: AL-ur-jun). (kidshealth.org)
An allergen is something you are allergic to, such as rubber, hair dye, or nickel, a metal found in some jewelry. (kidshealth.org)
When an allergic individual comes in contact with an allergen , the immune system mounts a response through an antibody called immunoglobulin E (IgE). (medicinenet.com)
Each allergen has a unique protein structure leading to its allergic characteristics. (medicinenet.com)
After an initial exposure to a substance like bee sting toxin, the person's immune system becomes sensitized to that allergen. (healingwell.com)
This substance is called an allergen. (aaaai.org)
Its clinical manifestation, allergic contact dermatitis (ACD), is developed upon repeated contact with the allergen. (cdc.gov)

Some people with allergic asthma have another allergic disorder, such as hay fever (allergic rhinitis) or food allergies. (medlineplus.gov)
Children with a family history of any allergic disease are at risk of having asthma, allergies, or eczema. (aafa.org)
People prone to allergies are said to be allergic or 'atopic. (medicinenet.com)
Food allergies are more common in children than adults, and most common in people with an inherited tendency to develop allergic conditions such as asthma . (diagnose-me.com)
I meant that there is no actual 'substance' in things that causes allergies in general, not just food allergies. (physicsforums.com)
Adding to the above (sorry, I can't edit the top post anymore…idkw) there is no actual "substance" in things that causes allergies. (physicsforums.com)
What are allergies (allergic rhinitis)? (healthlinkbc.ca)
You have a family history of allergies, especially allergic rhinitis. (healthlinkbc.ca)
Allergic conjunctivitis occurs more commonly among people who already have seasonal allergies. (aoa.org)
You get allergies when your immune system responds to substances such as pollen, pet dander, or certain foods. (webmd.com)
Each person is unique, and so are the substances that trigger allergies. (howstuffworks.com)

an antigen, a substance capable of inducing allergy or specific hypersensitivity. (cdc.gov)
Allergic rhinitis is the type of allergy that affects the greatest number of people. (wikipedia.org)
An allergy occurs when the body's immune system sees a substance as harmful and overreacts to it. (aafa.org)
The Asthma and Allergy Foundation of America (AAFA) conducts and promotes research for asthma and allergic diseases. (aafa.org)
Allergy or hypersensitivity is an exaggerated response of the immune system against certain substances that are otherwise harmless. (medicinenet.com)
Flea allergy is the most common allergic skin disease in the United States. (petplace.com)
The American Academy of Allergy, Asthma & Immunology reports that as many as 1-in-6 people in the United States suffer from some type of allergic disease. (diagnose-me.com)
The most well-known pathway in this response involves histamine (which is why antihistamines such as Benadryl are used as allergy medicine), but the entire allergic response is extremely complex and involved. (physicsforums.com)
Nickel allergy is one of the most common substances. (healthtap.com)
Your allergy symptoms will vary, depending on what you're allergic to and how you're exposed. (webmd.com)
If you have an allergy, your immune system mistakes an otherwise harmless substance as an invader. (aaaai.org)
Put simply, an allergy is when your body overreacts to a substance that does not affect most people. (howstuffworks.com)

It's a brand-name prescription medication used in adults and some children for the emergency treatment of severe allergic reactions , including anaphylaxis . (medicalnewstoday.com)
Anaphylactic Reactions Anaphylactic reactions (sometimes called "anaphylaxis") are the most serious, sudden, and life-threatening allergic reactions. (msdmanuals.com)

Predisposing factors to allergic rhinitis include eczema (atopic dermatitis) and asthma. (wikipedia.org)

Asthma is sometimes part of a series of allergic disorders, referred to as the atopic march. (medlineplus.gov)
However, not all individuals with asthma have progressed through the atopic march, and not all individuals with one allergic disease will develop others. (medlineplus.gov)
Many people with allergic rhinitis also have asthma, allergic conjunctivitis, or atopic dermatitis. (wikipedia.org)
People with a family history of asthma or hay fever ( allergic rhinitis ) are more likely to develop atopic dermatitis. (medicalnewstoday.com)

If you have an increased risk of severe allergic reactions, your doctor may prescribe EpiPen to always carry with you. (medicalnewstoday.com)
They will also prescribe epinephrine to treat severe allergic reactions. (healthline.com)

There are three main types of conjunctivitis: allergic, infectious and chemical. (aoa.org)
Giant papillary conjunctivitis is a type of allergic conjunctivitis caused by the chronic presence of a foreign body in the eye. (aoa.org)

The symptoms of allergic eczema can vary from person to person. (healthline.com)
In this article, learn about the causes and symptoms of allergic eczema, as well as the treatment options. (medicalnewstoday.com)

A top priority for the Agency for Toxic Substances and Disease Registry (ATSDR) is protecting people from harmful chemical exposures. (cdc.gov)
Immunological and neurological ef- duces the greatest hazard for individual ex- fects on the respiratory system linked to posure to these toxic substances [ 1 ], by the local and systemic toxic actions of pes- inhalation, dermal or oral exposure [ 2,3 ]. (who.int)
Generally they are chronically toxic substances, that is, they cause damage after repeated or long-duration exposure, and their effects may only become evident after a long latency period. (lu.se)

Substances for which no permission is required follows by exposure limit values according to "Hygieniska gränsvärden" (Provision AFS 2018:1) "Occupational exposure limit values list" where the full list is available. (lu.se)
Allergenic substances are denoted with an S in the 'Occupational exposure limit values list' (AFS 2018:1) and marked with the following risk phrases (hazard statements). (lu.se)

Allergic rhinitis occurs when your immune system overreacts to particles in the air that you breathe. (healthlinkbc.ca)
It most often occurs due to antibodies in the bloodstream that recognize foreign substances. (medicinenet.com)

He or she will want to find out which food, substance, medicine, or insect caused your rash or hives. (kidshealth.org)

Allergic eczema causes a red and itchy rash, which can become painful and infected without treatment. (medicalnewstoday.com)
The primary symptom of allergic eczema and other eczema types is a dry, itchy rash. (medicalnewstoday.com)
If you're allergic, within 15 minutes, a rash or raised spots - called wheals - will appear. (webmd.com)
If you have itching, redness, swelling or a rash in the area where you've applied makeup, it may be because you are allergic to it. (howstuffworks.com)

Genetically engineered ticks may be causing severe, life-threatening allergic reactions to meat that may soon start to spread throughout the entire world. (sott.net)

Histamine is a compound found in mammalian tissues that causes dilatation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion, that is released during allergic reactions. (sott.net)

The genetic tendency to develop allergic diseases. (aafa.org)

Hay fever is not a true fever, meaning it does not cause a core body temperature in the fever over 37.5-38.3 °C (99.5-100.9 °F).[citation needed] Pollen is often considered as a cause of allergic rhinitis, hence called hay fever (See sub-section below). (wikipedia.org)
They are also what leads to the familiar hay fever or allergic rhinitis and common pink eye. (rxlist.com)
Nearly 18 million adults in the United States have hay fever, or allergic rhinitis. (webmd.com)

Your body's defence system (immune system) overreacts to certain substances. (healthlinkbc.ca)

If they suspect you have the condition, they'll need to do further testing to find out exactly what you're allergic to. (healthline.com)
However, it can be hard for doctors to tell exactly what you're allergic to. (msdmanuals.com)

Allergic symptoms include clear, watery discharge along with mild redness. (aoa.org)

In some cases, though, you may come into contact with certain substances that trigger an immune system response - even if they aren't typically harmful to the body. (healthline.com)
There are special requirements concerning import, export, handling, and storing certain substances, which may be used to manufacture narcotics. (lu.se)

a foreign substance, usually protein or carbohydrate substance (as a toxin or enzyme) capable of stimulating an immune response, usually the production of antibodies. (cdc.gov)

The cause of allergic asthma is complex. (medlineplus.gov)

For allergic dermatitis or irritant contact dermatitis, try to avoid that substance. (kidshealth.org)

We describe the case of a favorable, prolonged therapeutic response to voriconazole in a patient with allergic bronchopulmonary aspergillosis who did not tolerate itraconazole. (nih.gov)
The history of the patient with allergic rhinitis may be straightforward or may include a complex set of symptoms. (medscape.com)

Hives, also known as urticaria, is one of the most common allergic skin conditions. (medicinenet.com)
Hives usually come and go away completely, but sometimes they last a long time Allergic reactions often cause hives, but there are other causes. (msdmanuals.com)

The substances the body produces (e.g., histamine) are intended to protect the body from a foreign invader but they overreact, causing the throat to swell up and the blood vessels to leak fluid. (medbroadcast.com)
When a mast cell is injured or irritated, it releases a variety of strong chemicals, including histamine , into the tissues and blood that promote allergic reactions. (rxlist.com)
Tissues in different parts of the body release histamine and other substances. (healingwell.com)

If you are allergic to nickel, wear only nickel-free jewelry. (kidshealth.org)
Some are allergic to pure elements like nickel. (physicsforums.com)
how else can people be allergic to things such as nickel or chromium? (physicsforums.com)

What causes allergic eczema? (healthline.com)
Unfortunately, no one knows for sure what exactly causes allergic reactions, aside from knowing that it is caused by, for lack of a better word, misbehaving immune systems. (physicsforums.com)

Several different types of medications reduce allergic symptoms, including nasal steroids, antihistamines, such as diphenhydramine, cromolyn sodium, and leukotriene receptor antagonists such as montelukast. (wikipedia.org)

During allergic reactions, the immune system starts fighting substances that are usually harmless (for example dust mites, pollen, or a type of food) as though these substances were trying to attack the body. (diagnose-me.com)
This means more than just makeup -- allergic reactions can be triggered by many things from certain foods to pollen, and they can develop over the course of your lifetime, meaning that something you once were not allergic to could become a sudden problem. (howstuffworks.com)

Doctors believe genes are involved because having a family member with allergic asthma or another allergic disorder increases a person's risk of developing asthma. (medlineplus.gov)
Allergic diseases can have a negative impact on a person's quality of life. (aafa.org)

We teach the general public about asthma and allergic diseases. (aafa.org)
AAFA can connect you to all of the information and resources you need to help you learn more about asthma and allergic diseases. (aafa.org)
The allergic march is the name for the natural history of allergic diseases. (aafa.org)
This refers to how allergic diseases progress in a person over time. (aafa.org)
But there may be ways to prevent a child from developing allergic diseases. (aafa.org)
For instance, people viewing substances are generally most interested in viewing diseases that these substances have shown to have positive influences. (greenmedinfo.com)
Perform a full examination to detect other diseases, such as adenoidal hypertrophy, asthma, eczema, and cystic fibrosis, which occur in children in connection with allergic rhinitis. (medscape.com)

The immune system may treat a harmless substance as if it were a harmful germ or virus. (healthlinkbc.ca)

The characteristic symptoms of allergic rhinitis are: rhinorrhea (excess nasal secretion), itching, sneezing fits, and nasal congestion and obstruction. (wikipedia.org)
Characteristic physical findings include conjunctival swelling and erythema, eyelid swelling with Dennie-Morgan folds, lower eyelid venous stasis (rings under the eyes known as "allergic shiners"), swollen nasal turbinates, and middle ear effusion. (wikipedia.org)

It is best practice that the … non-allergic asthma are the same and include coughing, wheezing, shortness of breath or rapid breathing , and chest tightness. (wisconsin.gov)

Allergic eczema may also develop when the skin is exposed to chemicals in the presence of sunlight . (healthline.com)
These allergic chemicals can cause muscle spasm and can lead to lung airway and throat tightening as is found in asthma and loss of voice. (rxlist.com)

Allergic asthma is the most common form of the disorder. (medlineplus.gov)
Another common treatment for allergic eczema is light therapy or phototherapy. (medicalnewstoday.com)
What are the most common substances that cause allergic contact dermatitis? (healthtap.com)

When tested in vivo, a chemerin SMAL decreased allergic airway inflammation and attenuated neuropathic pain in mice. (nih.gov)
Changes in color or texture can result from inflammation, infection, or allergic reactions anywhere on the body. (medicinenet.com)
In this study, we probed if nociceptors have a role in distinct airway and skin models of allergic inflammation. (bvsalud.org)
Moreover, we also found a profound and specific deficit in IgE production in these models of allergic inflammation. (bvsalud.org)

Allergic bronchopulmonary aspergillosis is a lung disease characterized by an immune response to several antigens of Aspergillus species. (nih.gov)
There is evidence that an unbalanced immune response underlies allergic asthma. (medlineplus.gov)
You see, you first eat the substance you're allergic to, triggering an immune response. (freethoughtblogs.com)

Children can also be exposed to harmful environmental hazards before birth, for instance through maternal intake of tobacco smoke and other substances. (who.int)

a protein found in the blood that is produced in response to foreign substances (e.g., bacteria or viruses) invading the body. (cdc.gov)
These foreign substances are normally seen as harmless by the immune system in nonallergic individuals, but in allergic individuals, part of the immune system generates a response. (medicinenet.com)

You can be allergic to things such as pollens, dust, or animal dander. (healthlinkbc.ca)
This type of asthma is caused by breathing in chemical fumes, gases, dust or other substances while working or being in an environment where you are frequently exposed to these substances. (medium.com)

Other allergic reactions cause changes in the skin. (healthline.com)
Your doctor will first examine your skin to determine whether you have allergic eczema. (healthline.com)
It also allows substances to get in past the outer layer of skin. (aafa.org)
They can sometimes cause skin irritations or allergic reactions. (greenfacts.org)
Substances easily absorbed through skin are denoted by H. (lu.se)

The symptoms of allergic reactions can be mild or severe. (diagnose-me.com)

People with mutations in one or more of the associated genes inherit an increased risk of allergic asthma, not the condition itself. (medlineplus.gov)
What's the long-term outlook for people with allergic eczema? (healthline.com)
Are Ticks Being Genetically Engineered To Make People Allergic To Meat? (sott.net)
People who are allergic to shellfish also should consult their doctors before using glucosamine and chondroitin. (webmd.com)
Doctors aren't sure why some people who are exposed to a substance become allergic to it and others don't. (msdmanuals.com)

Anatomy14

Organisms9

Diseases17

Chemicals and Drugs68

Analytical, Diagnostic and Therapeutic Techniques and Equipment28

Psychiatry and Psychology67

Phenomena and Processes15

Disciplines and Occupations3

Anthropology, Education, Sociology and Social Phenomena24

Technology, Industry, Agriculture1

Information Science6

Named Groups11

Health Care39

Geographicals6

Reaction56

Allergens16

Allergen15

Allergies11

Allergy12

Anaphylaxis2

Rhinitis include1

Atopic4

Severe allergic reactions2

Conjunctivitis2

Symptoms of allergic eczema2

Toxic substances3

Exposure2

Occurs2

Insect1

Rash4

Life-threatening allerg1

Released during allergic re1

Tendency to develop allergic1

Fever3

Body's1

Exactly what you're allergic2

Watery1

Certain substances2

Antibodies1

Cause of allergic1

Irritant contact de1

Patient with allergic2

Hives2

Histamine3

Nickel3

Causes allergic2

Antihistamines1

Pollen2

Person's2

Diseases7

Harmless substance1

Nasal2

Tightness1

Chemicals2

Common3

Inflammation4

Immune response3

Harmful1

Foreign substances2

Dust2

Skin5

Mild1

People5