Allergies

Histamine is a chemical in the body that is released when the body is exposed to an allergen. Allergens may include airborne allergens (such as pollen and dust mites), certain foods (such as...

Nickel allergy is a sensitivity to metal objects or substances containing nickel such as jewelry, zippers, coins, utensils, keys and paper clips. Limiting exposure to substances containing nickel...

Tree pollens such as the Juniper pollen cause symptoms in allergic individuals when the pollens are transported by the wind are inhaled. If you are allergic to Juniper pollen, you can visit your...

Cetirizine hydrochloride is the generic name for a prescription and over-the-counter antihistamine medication. Doctors recommend cetirizine hydrochloride for the relief of symptoms associated with...

Allergies and asthma have different causes, but are often related. Asthma, an inflammation of airways, is a frequent symptom of allergies. Seventy-five percent of children with asthma also have...

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...

Allergy-related coughs can be treated using antihistamines, which help to reduce the histamine buildup in the nose and throat. Get rid of an allergy cough with health information from an...

Nasal allergies can be treated with a histamine blocker, a decongestant and prescription nasal sprays. Reduce the symptoms of histamine releasing into the nasal cavities with health information...

Hives and the angioedema, or swelling of the face, must often come as an allergic reaction. Though most often harmless, serious swelling can cause fatal breathing issues.

Hydroxyzine is a prescription medicine that is classified as an antihistamine and has both sedative and anticholinergic properties effects. Anticholinergic agents obstruct neurotransmitter...

Benadryl (or diphenhydramine) is a well-known antihistamine taken by people who suffer from common allergies. Benadryl helps eliminate and control allergy symptoms such as runny nose, watery eyes,...

The Centers for Disease Control and Prevention report as much as 7.6 percent of adults and 16.9 percent of children in the United States suffered from some form of allergy in 2007. Fortunately,...

Hydroxyz HCl, or hydroxyzine, is used primarily as an antihistamine and anti-anxiety medication. It has been used for a variety of conditions, ranging from the physical to the emotional, ever...

Zyrtec is an over-the-counter medication that is used to relieve symptoms of allergies, the common cold and hay fever. It is classified as being an antihistamine and decreases uncomfortable...

Allergies occur in individuals who are sensitized to certain environmental, food and chemical irritants that cause unfavorable effects when inhaled, ingested or through skin exposure, leading to...

Amoxicillin is an antibiotic used to treat bacterial infections. Classified as a penicillin drug, amoxicillin must be prescribed by a physician. It is most often prescribed to treat strains of...

Allergies. Everyone hates them. The runny noses and eyes drive everyone crazy! So why not try and stop them? Follow these steps and you'll be allergy free in no time!!

Antihistamines are a class of medications used to treat many kinds of allergies. As with any medication, there are certain side effects and contraindications associated with the use of antihistamines.

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...

Approximately 12 million Americans suffer from food allergies. Milk is one of the eight foods that cause 90 percent of all allergic food reactions. Living with a milk allergy is more complicated...

Antihistamines are a class of drugs used primarily to deal with allergic reactions, although there are other situations when physicians prescribe them. Both prescription and over-the-counter...

Claritin Reditabs are a medication that is used for the treatment of allergy symptoms, such as runny nose, watery eyes and sneezing. It is an antihistamine that decreases histamine levels within...

Levocetirizine is a prescription medicine that is used for the treatment of hay fever. It is an antihistamine and works to obstruct the effects of histamine, which include runny nose, sneezing,...

Also called hay fever or allergies, allergic rhinitis causes itchy eyes, a runny nose, and congestion. The Centers for Disease Control and Prevention report that from April 2008 to 2009, 16.9...

When your body's immune system senses an allergen or a foreign tissue, part of its response is to produce histamine. Histamine brings blood and lymph fluid to the area that is under "attack" by an...

Histamine is a protein released by the body when the body is exposed to an allergen, which is typically a harmless substance that it perceives as harmful. First, the body produces the IgE...

Allergies are violent reactions against a trigger that your body cannot understand. Allergies are malfunctions of the immune system, causing the immune system to react against the trigger, or...

Antihistamines block the histamine receptors, thus stopping the body from producing more histamine. Histamine is produced as a reaction to some foreign invader, such as an allergen. As such,...

Antihistamines are medications that are specifically designed to block the production of histamine in the body. Histamine is responsible for many of the symptoms and side effects associated with...

Histamine is a neurotransmitter and amine used in your body to keep it balanced and healthy. Unfortunately, sometimes histamine levels can become too high, causing the symptoms seen with...

Allergies occur when the immune system improperly reacts to a harmless substance. Some of the most common allergens are tree pollen, grass and weeds, mold, animal dander and dust. This means that...

Allergies are caused by a number of reasons but often occur due to pollen and animals. Allergy medications block symptoms associated with histamine. Many allergy medications are available in...

Having a ragweed allergy means that your body reacts hypersensitively upon inhaling the pollens from these weeds. Ragweed thrives in warm climates, so the allergy tends to be seasonal, generally...

According to the National Health and Nutrition Examination Survey, more than 50 percent of the United States population deals with allergies on a regular basis. One of the factors that makes...

Allergies effect large cross sections of the population throughout the world. According to the Center for Disease Control (CDC), as many as 12.2 million Americans seek physician services in...

Swelling, also called edema, is any enlargement of the body. Organs and skin typically swell when there is an abundance of fluid in the tissue. Swelling can occur in a single area (such as your...

Unlike animals, plants are stationary and have to rely on a process called pollination in order to reproduce. Pollen is actually the male reproductive cells present on all flowering plants. Plants...

Histamine is a substance present in cells of the immune system. It is released when tissue is damaged and during an allergic reaction. Anaphylaxis, hay fever and hives are common reactions...

Some people experience adverse reactions, beyond drunkenness and simple hangover, when drinking beer; they wonder if they are allergic to beer. A true beer allergy is rare. Instead, an allergy...

Quercetin is the natural coloring found in apple and onion skin, tea and wine. Unlike other allergy relief medications or supplements, it works by stabilizing mast cells, instead of blocking...

Cetirizine hydrochloride (or cetirizine HCl) is the generic name for the allergy medication Zyrtec. It is an antihistimine, which blocks the body's chemical response to allergens.

Zyrtec, or Cetirizine, is an antihistamine prescribed to alleviate allergy symptoms such as sneezing, runny and stuffy nose, itchy throat and watery eyes. It may also be used to treat hives....

Allergic reactions occur when the body's immune system perceives something (pollen, dust, pet dander) as foreign and mounts up a response to it. When this occurs, histamine is released and makes...

Claritin is a brand name for the generic medication loratadine. It is one of the drugs commonly prescribed for allergies. Claritin works to counteract and reduce the amount of histamine...

Most people have had the common cold, which can sometimes lead to a sinus infection. A cold is caused by a virus, which makes your body release histamine. The virus is sometimes airborne, so any...

When pollen is in the air and triggering your allergy symptoms, you may need an antihistamine. Antihistamines work by blocking histamine chemicals released when your body reacts to an allergen....