An allergy is the result of the immune system overreacting to a foreign substance in the body. People without allergies may be exposed to pollen, dust, certain foods or animal dander with no ill effects. In people with allergies, the body sees...
Migraines are often characterized as intense, repetitive headaches. The symptoms vary from person to person, but there are four general stages of a migraine--onset, aura, headache and resolution. Histamine, the body's response to an allergic...
When a person eats food he is allergic to, his immune system triggers any number of allergic responses. Gastrointestinal symptoms occur when the GI tract becomes inflamed, resulting in stomach pain and other digestive problems like vomiting,...
Flaxseed allergies are uncommon, but if an allergic reaction occurs after you eat flaxseeds, you may develop stomach pain. Stomach pain and other digestive symptoms are common with food-related allergies because you ingest the allergen. Flaxseeds...
Although many people who are allergic to latex know to avoid condoms, rubber gloves and other latex-related items, few realize that certain foods can trigger allergic reactions. This occurs because the same protein found in latex items is...
While herbalists of the past have provided the foundation of botanical knowledge, modern science separates fact from fiction in terms of effectiveness and safety. One persistent belief about herbal remedies is that they must be safe simply because...
A person with food allergies reacts every time he eats, touches or breathes in the allergy-causing food. Someone may be allergic only to one type of food, have multiple allergies or react to foods with similar characteristics as the food he is...
Foods that trigger allergies commonly trigger sinus issues such as nasal congestion, sneezing and a runny nose. Some of the most common foods that trigger sinus allergies include tree nuts, dairy products, wheat and shellfish, according to...
If you have an allergy to ragweed---a type of flowering plant common throughout North America---you have likely experienced such symptoms as a runny or stuffy nose, sneezing or sore throat. In addition to these familiar allergy symptoms,...
If you sneeze and sniffle your way through pollen season, or experience hives, itching or swelling when you eat a certain food or get stung by an insect, then you're no stranger to allergies. "An allergy starts when the immune system mistakes a...
The sneezing, sniffling, sneezing, stuffy and runny nose, and itchy, watery eyes of allergies are often just too much to deal with. But if you don't want the drowsy, medicine-head side effects of allergy medications, you don't have to suffer from...
Nasal congestion is not due to an increase in thick mucus; most cases occur when the tissues in the nasal passages become inflamed, according to the University of Maryland Medical Center. Nasal congestion is typically caused by viral infections or...
Food allergies can be triggered by certain foods in infants, children and adults. The MayoClinic.com explains that a food allergy causes the immune system to react to a specific food substance as if it is harmful to the body. This releases...
Allergic bronchial asthma is induced by allergy triggers, according to the Asthma and Allergy Foundation of America (AAFA). Allergic bronchial asthma affects more than 60 percent of Americans who have asthma. The Mayo Clinic states that most of...
For people with serious food allergies, a trip to the bakery or restaurant can be a frustrating experience. Eggs, milk and wheat are all among the most widespread allergy triggers, and all three are fundamental ingredients. Poppy-seed and...
Eczema is an allergic skin condition that affects almost one in 10 children in industrialized countries, as confirmed by a study published in the British Medical Journal (BMJ). Symptoms of eczema commonly begin in the first year of life and can...
The most common form of chronic eczema, atopic dermatitis, requires continual skin care to manage symptoms of itchy, sensitive skin. The American Academy of Dermatology (AAD) reports that it may take a combination of therapies plus...
Few allergies trigger swollen tonsils as a sole symptom. However, if you have pollen, fiber, food or other allergies then swollen tonsils might occur alongside other familiar symptoms. In some cases this will subside after a few hours. However, if...
People who have sinus allergies react to certain triggers with flare-ups that can bring on unpleasant symptoms such as eye, teeth and mouth pain, tenderness around the eyes and forehead, and a runny nose. Allergy attacks can also cause headaches,...
Abdominal pain can be caused by a variety of triggers, and often you only need to look to your last meal to figure out what is causing your cramps. According to the website Ask Dr. Sears, consuming fish is a common cause of stomach cramps,...
Fresh Italian sausages have a gently sweet and almost floral character that sets them apart from other common sausages sold in the United States. They can be grilled and served on a bun, crumbled over pizza, or combined with ground beef in a pasta...
Pollution is detrimental to your health, but is especially harmful if you have allergies. Certain types of pollution can aggravate allergies, causing uncomfortable and sometimes life-threatening symptoms. Ozone levels are the most common trigger...
Up to 30% of adults experience hay fever---sneezing, itching eyes and nose and watery or stuffy noses---each year, according to the American College of Allergy, Asthma and Immunology. A smaller portion of these people experience these and other,...
An allergic rash is hives or eczema, according to the American Academy of Allergy, Asthma and Immunology. Hives is an allergic skin reaction that causes red and itchy welts on the skin, according to MedlinePlus. Eczema is a condition triggered by...
Chocolate's key ingredient is cocoa, which is derived from cocoa beans. Processing requires fermentation, roasting and grinding. True chocolate allergies stemming from allergies to cocoa are rare, according to Healthology. Someone allergic to...
Asthma is a chronic obstructive airway disease in which the small airways of the lungs constrict, making it difficult to breathe. In recent years, researchers have discovered that much of the process by which asthma leads to difficulty breathing...
The medical term for eye allergies, sometimes called pink eye, is allergic conjunctivitis. It is an irritation or inflammation of the part of the eye called the conjunctiva. The conjunctiva is a piece of tissue that lines the inside of the eyelid...
Itchy, swollen eyes are a common symptom of seasonal allergies such as hay fever. Dust, pollen and other outdoor irritants cause eye and nose discomfort as your immune system tries to fight them off. Chronic allergy problems should be examined by...
Your sinuses are the hollow chambers that sit behind your nose and above your mouth and throat. Sinuses moisten air and allow for easy breathing, but they're also sensitive to infection and allergies. For example, allergic rhinitis causes...
We all don't like certain foods for a variety of reasons. A food allergy, however, is a reaction triggered by your immune system in response to certain foods. A food allergy, also called a food hypersensitivity, can cause serious problems and even...
Seasonal allergies affect millions of people, resulting in runny noses and itchy eyes. Learn more about seasonal allergies in this health video.
Sore throat, or pharyngitis, is a painful condition wherein the pharynx inflames and makes swallowing difficult. Learn more about sore throat in this health video.
Rhinitis is a chronic runny or stuffy nose. Rhinitis means that the lining of your nose swells due to expanding blood vessels which causes a congested and drippy nose. Learn about the different causes of, symptoms of, and treatments for rhinitis...