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Hay fever, which is also called allergic rhinitis, is a common allergic condition. A main feature of the condition is an inflammation of the nasal passages, or rhinitis, caused by an allergic reaction to pollen.
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Allergic rhinitis is a collection of symptoms, mostly in the nose and eyes, which occur when you breathe in something you are allergic to, such as dust, dander, or pollen.When these symptoms are caused by plant pollen, the allergic rhinitis is com...
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If your allergies bother you only at certain times of year, like in the spring when the trees begin to bloom, you have "hay fever," or seasonal nasal allergies. If your allergies seem to be with you all year long, you have perennial nasal allergies.
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Allergic rhinitis, more commonly referred to as hay fever, is an inflammation of the nasal passages caused by allergic reaction to airborne substances.Allergic rhinitis(AR) is the most common allergic condition and one of the most common of all mi...
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Roughly one person in four has some kind of allergy. The most common is "allergic rhinitis," which includes seasonal hay fever and year-round allergies to dust, animal dander, mold and some foods.
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Nasal allergies are most commonly caused by one or more of four kinds of allergens: pollen (which causes seasonal allergies), house-dust mites, mold, and animals (which cause nasal allergies).
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Other problems may occur as a result of allergic irritation and inflammation. If you have one of the following problems, talk to your doctor about treatment options.
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Detailed information on allergic rhinitis, including causes, symptoms, diagnosis, and treatment
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Allergic reaction is more common than ever before. And it's not just hay fever or bee stings. This comprehensive report describes the causes and cures for everything from food allergies to poison ivy.
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An allergen is a substance that can cause an allergic reaction. Allergens are substances that, in some people, the immune system recognizes as"foreign" or"dangerous" but cause no response for most people.Bacteria, viruses, and animal parasites Che...
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Detailed information on pollen allergy, also called hay fever, including information on which plants produce the most pollen and allergic rhinitis prevention during pollen season
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Your allergies could be caused by plant pollens such as those from weeds, grasses and trees, or outdoor molds.
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For many allergy sufferers, pollen and mold are the main problems.Spring is in the air. Unfortunately, so are the many tree and grass pollens that cause seasonal allergies. This can be bad news if these tiny particles cause your asthma to flare up. But the change in seasons doesn't mean that you have to hibernate until winter. While you may not be able to avoid your triggers completely, there are many ways to help limit your exposure.
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If allergies bother you in the fall, you're most likely sensitive to one or more molds, weeds, trees or grasses.
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Detailed information on pollen allergy, also called hay fever, including information on which plants produce the most pollen and allergic rhinitis prevention during pollen season
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pollen Pollen is found in flowering plants. Bees collect pollen while they are searching for nectar. Pollen can be gathered from bees or harvested from plants by machines. Bee pollen contains the male reproductive cells (gametes) of flowers and digestive enzymes from bees.
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Detailed information on insect bites, including fleas, mites, chiggers, and ticks
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Detailed information on insect bites, including bee stings, flea bites, mite bites, chigger bites, spider bites, tick bites, and lyme disease
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Many products seek to prevent bug bites, but products containing DEET (usually listed on labels as N,N-diethyl-m-toluamide) are quite effective.
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Autoimmune disorders are conditions in which a person''s immune system attacks the body''s own cells, causing tissue destruction.Autoimmunity is accepted as the cause of a wide range of disorders, and it is suspected to be responsible for many more....
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An autoimmune disorder is a condition that occurs when the immune system mistakenly attacks and destroys healthy body tissue. There are more than 80 different types of autoimmune disorders.Normally the immune system''s army of white blood cells hel...
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Detailed information on autoimmune diseases and pregnancy Autoimmune diseases are conditions in which the body makes antibodies against one's own normal body chemicals. In these diseases, antibodies cannot tell antigens in the inside of the cell from antigens outside of the cell. When the antibodies attack the internal cells, the reactions can be local - in just a small area, or systemic - throughout the whole body. The skin and connective tissues (cartilage, bone, tendons) are most affected but other tissues can be affected, as well, including nerve and muscle.
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Autoimmune disorders are conditions in which a person''s immune system attacks the body''s own cells, causing tissue destruction.Autoimmunity is accepted as the cause of a wide range of disorders and suspected to be responsible for many more. Autoim...
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Doctors divide autoimmune diseases in two categories: Those that attack a specific organ and those that target many organs.
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Diseases in which the immune system attacks the body''s own healthy tissues, forming antibodies in an assault on mistakenly identified"foreign invaders.".Autoimmune disorders occur when the body''s immune system loses its ability to recognize the di...
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When one has an allergy, he or she has a reaction other than the one expected.Food allergies and sensitivities are the body''s reaction to a specific food. In a food allergy or sensitivity, when the child eats a particular food,(such as eggs, for e...
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A food allergy is an exaggerated immune response triggered by eggs, peanuts, milk, or some other specific food.Normally, your body''s immune system defends against potentially harmful substances, such as bacteria, viruses, and toxins. In some peopl...
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Detailed information on food allergy, including food intolerance and food allergy symptoms, diagnosis, and treatment
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Although many people believe they have a food allergy, true food allergies are not that common.
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Drug interactions are changes in the effect of one drug due to the effect of either another drug taken at the same time(drug-drug interactions) or food consumed while the drug is being taken(drug-food interactions).Some drugs are deliberately comb...
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Drug allergies are a group of symptoms caused by allergic reaction to a drug(medication).Adverse reactions to drugs are common, and almost any drug can cause an adverse reaction. Reactions range from irritating or mild side effects such as nausea ...
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Detailed information on different types of drug rashes, including acne, exfoliative dermatitis, fixed drug eruption, hives, morbiliform/maculopapular rash, purpuric eruptions, Stevens-Johnson syndrome
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A drug allergy is an adverse reaction to a medication, often an antibiotic, that is mediated by the body''s immune system. A drug sensitivity is an unusual reaction to a drug that does not involve the immune system.Adverse reactions to medication m...
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If you want to be fully informed, you should read the fine print connected with any drug that you intend to use.
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Drug metabolism is the process by which the body breaks down and converts medication into active chemical substances.Drugs can interact with other drugs, foods, and beverages. Interactions can lessen or magnify the desired therapeutic effect of a ...
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Detailed information on food-drug interactions A food-drug interaction can occur when the food you eat affects the ingredients in a medication you are taking, preventing the medicine from working the way it should.
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Exploring the causes and treatment for loss of taste, which may result from years of taking high blood pressure medications.
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Chemotherapy and radiation treatments save lives. They also can bring a variety of temporary but unpleasant side effects.
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Can the high blood pressure drugs Vasotec and Toprol affect the libido?
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A guide to information available online and in print about the side effects of prescription drugs.
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Hyperhidrosis is a medical condition in which a person sweats excessively and unpredictably. People with hyperhidrosis may sweat even when the temperature is cool or when they are at rest.Sweating- excessive; Perspiration- excessive; Diaphoresis.S...
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A disorder marked by excessive sweating. It usually begins at puberty and affects the palms, soles, and armpits.Sweating is the body''s way of cooling itself and is a normal response to a hot environment or intense exercise.
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Hyperhidrosis is a medical condition characterized by excessive sweating in the armpits, palms, soles of the feet, face, scalp, and/or torso.Hyperhidrosis involves sweating in excess of the amount required normally for the body''s level of activity...
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Pneumonia is a lung infection that can be caused by many different germs, including bacteria, viruses, and fungi.This article discusses describes pneumonia that occurs in a person whose ability to fight infection is greatly reduced because their i...
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You have either undergone a procedure or been diagnosed with an illness that has made you "immunocompromised.” This means that your immune system is very weak, making it difficult to fight off infection. Certain cancers, cancer treatments, HIV infection, and transplant surgery are examples of things that can make you immunocompromised. You must be very careful—even the slightest infection can carry the risk of hospitalization or death. This sheet gives precautions you can follow to protect yourself from infection. You will need to follow them until your doctor tells you that you can stop. You may need to be careful for the rest of your life.
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Skin cancer can strike at any age, but it is more common in older people because they've had more years of sun exposure. Fortunately, you can take steps to reduce your chance of getting skin cancer, even if you haven't been careful about the sun before.
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