Seasonal allergies occur after exposure to substances that are only present during certain times of the year. In some people, the body mistakes these harmless substances for dangerous foreign invaders. The immune system responds by releasing IgE antibodies, which attach to a type of white blood cell called mast cells. Mast cells are mostly found in the lungs, skin, stomach and upper respiratory tract... Read more >
Seasonal allergies are triggered by harmless substances that are only around during certain times of the year. In people with allergies, the body misinterprets these harmless substances as dangerous foreign invaders. To fight off the perceived danger, an immune response begins, releasing chemicals including histamine, which triggers allergy symptoms. No one knows exactly what causes seasonal allergies... Read more >
Conjunctivitis is an irritation of the conjunctiva, a thin, clear membrane covering the eyeball and the inside of the eyelids. Conjunctivitis is bacterial, viral or allergic. While contagious forms of conjunctivitis result from bacterial or viral infection, allergic conjunctivitis is never contagious. Allergic conjunctivitis symptoms may include: bloodshot eyes eye pain itchy eyes swelling in the... Read more >
You wake up in the morning sneezing, and your nose is running. Your eyes feel irritated and watery. You know you feel awful, but you may be wondering, "Is this an allergy or a common cold?" The symptoms of colds and allergies are often similar, and sometimes telling them apart can be confusing. Understanding the cause of your symptoms helps determine what your ailment is. Allergy Basics Allergies occur when a... Read more >
From coast to coast, approximately 40 million Americans suffer from allergy symptoms (also known as allergic rhinitis or hay fever). Many people experience allergies from spring to fall, when plant pollen becomes airborne. However, allergy symptoms can be present year-round if you are sensitive to any of the following: animal dander cockroaches dust mites feathers mold. These allergens can be found... Read more >
Allergies caused by pollen and other allergens affect 40 million Americans each year, and collectively, people in the US spend more than one billion dollars on treatments annually. An allergy is a short-term inflammation of the mucous membranes that line the nasal passages, produced when a person comes into contact with something that your immune system thinks is infectious. Allergy symptoms range from mild... Read more >
Seasonal allergies can interfere with your daily life in a big way, or they can just be a minor irritant, depending on your own body and your sensitivity to certain pollens. Luckily, controlling your symptoms is not as difficult as you might think. Seasonal Allergies At certain times of the year, typically in the spring and the fall, pollens are released in the air and travel through the atmosphere, landing in... Read more >
Allergies occur when the body comes in contact with a harmless substance and mistakes it for a dangerous foreign invader. A chemical reaction takes place in the body producing histamine, which in turn brings on the symptoms of allergies. Allergy symptoms vary from person to person. Some common symptoms of allergies include: allergic conjunctivitis bloodshot or watery eyes bluish discoloration around the... Read more >
Seasonal allergies occur after exposure to airborne substances that are only present at certain times of the year. An allergic reaction takes place when the body mistakes harmless substances for dangerous foreign invaders. The body's immune system rallies to attack the "invaders," causing chemical reactions in the body that produce histamine. The presence of histamine causes congestion, itching, sneezing and a... Read more >
Mold is a fungus that grows both outdoors and indoors. It digests and breaks down plant and/or animal matter. Outdoor molds, which grow in places such as soil, vegetation, and rotting wood, release spores in the spring, summer and fall. These tiny, lightweight grains often remain airborne for hundreds of miles. Like pollen, these spores spread quickly. During the winter, indoor molds can be problematic. Types of... Read more >
Allergic rhinitis, also known as hay fever, is an allergic reaction to a normally harmless substance, such as pollen. Allergic rhinitis usually flares up in the spring, summer and fall months when pollen grains are released by trees, grasses and weeds. Plant pollens depend on wind for cross-pollination. Plants that depend on insect pollination, like goldenrod and dandelions, do not cause allergic rhinitis... Read more >
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