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Allergies
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  3. Allergies & Sensitivities
  4. Allergy Causes

Allergy Causes

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  • What Causes Large Welts?

    Large welts result from an allergic reaction to an internal source like food or some external factor, such as an insect bite. They appear as large red itchy bumps on the skin. The natural response by the body to cope with allergies is the release of histamine, which causes the large welts.

  • Skin Irritations, Welts & Rashes

    Skin is the largest organ in a person's body. Besides things such as a person's facial features, body type or height, skin is also the first thing people notice. Therefore, when anything is wrong with the skin, such as a rash, irritations or welts, the individual often wants to seek treatment to quickly restore or improve the skin's condition. However, before treatment begins, the person must know what the problem is.

  • Allergies Caused by Palmolive

    Palmolive, which is part of the Colgate-Palmolive Company, makes a variety of personal hygiene and cleanliness products for men, women, children and the home. These range from deodorants to hand and body washes and household cleaning products. However, some of these products may cause allergies in certain people.

  • Diseases & Allergies Caused by Mold

    Mold can cause you to feel miserable and suffer with medical conditions or allergies such as itchy eyes, runny nose, cough and even asthma, according to the Mayo Clinic. Most types of molds don't cause any problem, unless you're continually exposed over long periods of time. But people who are exposed to black mold, which is toxic, may exhibit troubling symptoms such as rashes, memory loss and difficult respiration, much sooner.

  • What Causes a New Pineapple Allergy?

    Pineapple allergies are negative reactions to any part of the pineapple and to foods or supplements containing pineapple. An allergic reaction to pineapple can come on suddenly and may lead to rashes, itchy skin or diarrhea. Allergies can be triggered by eating pineapple or coming in contact with pineapple in any way. A new pineapple allergy may be triggered by overexposure to the fruit.

  • What Are the Causes of Fruit Allergies?

    What may be a delicious treat for some can be a nightmare for others. Some people have fruit allergies that can cause symptoms that range from a slight discomfort to hospitalization. Just as each person may have a specific set of fruits that they cannot eat, so too are the reasons for these allergies diverse and often random.

  • Human Allergies Caused by Dogs

    Between 40 and 50 million people in the United States suffer from allergies every year, according to the "University of Maryland Medical Center." Allergic responses result from a person's body releasing histamines, chemicals that work to get rid of allergens. Common allergens include pollen, dust, food, insects and pet dander. Different types of pets can cause people to develop allergic reactions, but most people experience sensitivity to cat and dog allergens, according to an article by Dr. Paul Klenerman and Brian Lipworth for "Netdoctor."

  • Weather & Allergies

    The relationship between weather and allergies is a long one, as allergy sufferers well know. But what you may not know is that weather and allergies can collide at any time of the year.

  • What Are the Causes of Bedtime Allergy Attacks?

    Allergies often strike seasonally, plaguing you with irritating symptoms such as coughing and sneezing. You can even be prone to allergies during the night, within the sanctuary of your own home.

  • What Are the Causes of a Chocolate Allergy?

    When people experience an allergic reaction to chocolate, the culprit is rarely the chocolate or cocoa itself. The reaction is most likely triggered by another allergen or ingredient present in the chocolate.

  • Procedures for Disposable Gloves

    Disposable gloves are used to protect against the spreading of germs and bacteria from one person to another. Care needs to be taken when putting them on and taking them off to keep them as sterile as possible. They should be worn when you come in contact with patients and patient discards such as bandages.

  • Allergies & Itching Caused by Exercise

    Telling someone you are allergic to exercise can cause quite a few laughs, but exercise-induced allergic reactions are no joke for those who experience them. Although exercise-induced allergies are rare, symptoms can range from itchy bumps to deadly anaphylactic shock.

  • What Causes Itching of the Ears in Allergies?

    Itchy ears is a common side effect caused by allergens entering your body and triggering an allergic reaction. The unpleasant itchiness often comes with other symptoms such as sneezing and ear congestion, according to Frank K. Kwong, author of "The Complete Allergy Book."

  • What Are the Causes of Seafood Allergies?

    Seafood allergies pose a threat to the body, causing an array of moderate to severe reactions that may result in digestive discomfort, difficulty breathing, skin irritation and dangerous throat closure.

  • Allergies Caused by Construction

    Allergies caused by construction are common in people who suffer from chronic environmental sensitivity. Materials and chemicals used in construction can cause reactions, while increased disruption of dust and mold decrease air quality, resulting in allergy symptoms.

  • Allergies That Cause ITP

    ITP is formally known as idiopathic thrombocytopenic purpura. Essentially, it is a disease wherein your immune system attacks and destroys the platelets within your blood. As the platelets are the mechanism by which blood clots, a person with ITP who suffers a cut will bleed profusely. In severe cases, the blood takes on the consistency of water, and a hurt person with ITP may bleed to death in minutes. Less severe cases involve significant bruising after only slight bumps. This is the result of burst blood vessels in the skin that have difficulty in sealing themselves closed again. It should…

  • Allergies That Cause Hives

    Hives (urticaria) involve an outbreak of red blotches, welts or pimples on the skin. They appear suddenly and are usually a result of an allergic reaction. Hives can be very uncomfortable, causing itching and soreness. They can show up anywhere on the skin, even inside the mouth. They can also cause swelling of the eyes and throat. Hives can last anywhere from a couple of hours to several days. A condition similar to hives is angioedema, in which the swelling occurs beneath the skin and is most noticeable around the mouth and eyes.

  • Relief From Cat Caused Allergies

    Cat allergies are caused by cat urine, proteins in cat saliva or dander (flakes of dried skin.) You can tell if you are allergic to cats by being tested by a doctor with skin or blood tests. Common signs of an allergy are coughing, wheezing, itchy eyes, redness where a cat licked or scratched you and runny, itchy or stuffy nose. Sometimes, you may even have hives on your face and chest. There are some ways to stop these symptoms, although there is no way to prevent allergies.

  • Allergies Caused by Remodeling & Painting

    Remodeling and painting can trigger allergies due to an array of household irritants and chemical fumes that shift from surfaces, upholstery and structural materials through the air, entering the body through inhalation and causing allergic reactions.

  • Welts Caused by Allergies

    Whether you are allergic to a food, medicine, or other allergen, you may see that exposure to these substances causes raised welts to appear on the skin. These welts are a form of hives. Hives can occur at anytime, and according to the Mayo Clinic, usually clear up within a week on their own.

  • Shampoo Ingredients That Cause Allergies

    Some synthetic ingredients in shampoos have tested to be highly allergenic. However, they are still widely used and even labeled "safe" by the FDA (Food and Drug Administration) because of two reasons. First, the amounts of those chemicals used in shampoos are usually low and therefore should be harmless. Second, we are supposed to rinse those products off, so the chemicals would normally have only brief contact with our body. No research, however, has ensured that they will be safe for our health in the long run. There are already so many toxic chemicals lurking around us in daily life;…

  • Which Allergies Cause Fatigue?

    If the immune system doesn't respond correctly to a foreign substance an allergy may occur. There are many different kinds of allergies that cause a variety of symptoms. A constant immune response to allergens may cause fatigue to the point of exhaustion.

  • What to Do for Allergies That Cause You to Sneeze & Cough?

    Allergies occur in response to specific allergic triggers. Each person has his own set of unique triggers, as well as reactions. One of the most common reactions is hay fever or allergic rhinitis. This respiratory condition causes increased inflammation, which can lead to congestion and bring about symptoms such as sneezing and coughing. Understanding the cause of your allergy symptoms is key in knowing how to treat them.

  • Allergies that Cause Earaches

    Allergies occur because the immune system reacts negatively to some substance that other people do not react to. The U.S. National Library of Medicine says that scientists think allergic reactions could be genetic or environmental. In addition to standard symptoms like runny noses, sneezing, breathing difficulty or itching, different allergies cause earaches. Earaches result from inflammation in one or both middle ears because of fluid buildup. Doctors often prescribe medication to relieve earaches and reduce fluid retention.

  • What to Do for Chest Congestion Caused by Allergies

    When allergies strike, they usually cause itchy eyes and a stuffed-up nose. All this extra mucus can drain down into the chest, creating congestion. Chest congestion can set the lungs up for a secondary problem like an infection, so it is good to clear them as soon as possible.

  • Allergies That Cause Sinus Problems

    A stuffy nose can make you miserable; it can make it difficult to breath properly and can affect your speech and your hearing. If you tend to experience stuffiness or other sinus problems when you do certain activities or eat certain foods, an allergy may be the cause of your sinus problems.

  • Causes of Allergies

    An allergy is defined as an inappropriate response by the body's immune system to any substance that would normally be considered harmless to most people. During an allergic reaction, the immune system mistakenly identifies a substance that is non-toxic as a harmful aggressor. This causes the white blood cells that normally protect against the body's invaders to react against this harmless agent, thus creating a response worse than the aggressor itself. The problem is that there are many different kinds of substances that can cause this reaction.

  • What Allergies Causes Urticaria?

    Urticaria, commonly known as "hives" or "wheals," is a skin condition that consists of itchy, swollen bumps that appear on the body for minutes to hours or even weeks at a time. Hives most commonly occur after exposure to allergens, such as medications, insect bites or extreme heat and/or cold. They can also be an indicator of underlying health conditions such as thyroid disorders, bacterial infections or hepatitis. According to the American Academy of Dermatology, hives will affect about 20 percent of people at some point in their lives. After a hives outbreak, it is important to determine if an…

  • Allergies That Cause Your Thyroid to Be Inflamed

    Allergy attacks can do a lot of harm to your health. In many cases, allergies have been linked to thyroid inflammation, alongside symptoms such as pain and constriction of airways. An inflamed thyroid can be very painful. It causes a disruption in the normal production of hormones, causing the development of lumps or cystic mass.

  • Causes of Nasal Allergies

    Nasal allergies--the congestion, runny nose and sneezing you experience--are a reaction from your immune system because it cannot process the offending item properly. Nasal allergy symptoms, called allergic rhinitis, can be minimized simply by staying away from the matter that is causing you discomfort. Finding that cause may be a little more challenging, as there are many causes of nasal allergies that all produce similar symptoms.

  • How Is Depression Caused by Allergies?

    You can be allergic to dog and cat fur, dust, mold, certain food, ragweed or pollen. The reasons may differ but the symptoms are common--nose congestion, breathlessness, chest pain, sneezing, itchy red eyes and sinus or migraine headaches. As if these symptoms are not debilitating enough, they further lead to a host of other complications, such as irritability, anxiety, fatigue, mood swings, fatigue and depression. Some doctors call it the allergy blues. So, depression is one of the symptoms of the allergy itself. But it can also be a side effect of allergy medication. Overall, people with allergies don't sleep…

  • Animals That Cause Allergies

    Allergies are caused when the body's immunity thinks an invader is trying to do damage. This can then set off a series of symptoms that can range in severity. Allergies are caused from foods, medications and environmental pollutants. When it comes to animal allergies, the allergy is caused from the dander and dust that they collect on their fur. There are several animals that can cause allergies.

  • Is LPR Caused by Allergies?

    Laryngopharyngeal Reflux (LPR) is a condition that is not caused by allergies but instead occurs when there is a buildup of stomach acid that enters the throat and voice box.

  • How to Find Out What's Causing Allergies

    Throughout the year, many of us can get a sniffle here and there. But if they stick around, we have to determine whether it's a cold or just an allergy. Statistics show that one in five people deal with allergies each year, yet some people don't realize it's actually allergies that they're dealing with. There are some ways to figure out what's causing your latest bout of sneezing and sniffling to determine which treatment will work for you.

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