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Seasonal allergies are closely linked to allergies caused by pollen. Which is why seasonal changes in plants, trees, weeds or grass can send you sneezing. Watch our video to learn more.
Transcript: Seasonal allergies are just that; POLLEN allergies that spring up seasonally. Pollen is a fine coarse...
Seasonal allergies are just that; POLLEN allergies that spring up seasonally. Pollen is a fine coarse powder responsible for plant reproduction, and whether it comes from trees, grasses, or weeds, it can cause a variety of symptoms. Some people sneeze, or have a runny nose, others may experience itchy eyes, and a sore throat, and sometimes people will cough, or have clogged ears, hives, fatigue or a headache.Tree pollen causes most spring allergies, which can flare up anywhere from January to May, depending on where you live. And grass pollen causes most late spring and early summer allergies. Grass allergens in Northern and colder climates vary, while Bermuda grass is the main cause in warmer Southern climates. Contact with pollen from these grasses also can result in itching and hives, which is known as contact urticaria. As for late summer and early fall allergies, WEED pollen is typically the main cause. Depending on the area of North America, these weeds include ragweed, sagebrush, pigweed, tumbleweed and cocklebur. Interestingly, pollens that are spread by INSECTS, such as those from brightly colored flowers, don't usually trigger allergy attacks. If you think you have seasonal allergies, you should go see an allergist. A skin or blood test will be able to uncover the cause of your symptoms. And there are many treatments available to ease the symptoms or reduce or prevent the allergic reaction. For more information on allergy testing and treatments, check out other videos on this site.More »
Last Modified: 2013-06-11 | Tags »
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Allergies plague the rich and famous as often as anyone else. See which A-listers have to cope with uncomfortable symptoms, too.
Last Modified: 2012-04-18 | Tags »
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When it comes to allergies, can you separate fact from fiction? Not all allergies have clearly defined symptoms or triggers. See what you really know.
Last Modified: 2012-06-21 | Tags »
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Some of the common results of pet allergies include itchy eyes and runny nose. These allergies are a big hassle for the pet owners and while some know of their allergies, others simply don't! Watch the video to learn more.
Transcript: One second you're cuddling with your best friend and the next you're feeling lousy because you have a...
One second you're cuddling with your best friend and the next you're feeling lousy because you have a runny nose and itchy eyes. Pet allergies are a big problem for many pet owners. Some knew they were allergic before they brought the pet home. Others developed the allergy months, or even years, after the puppy or kitten came to stay. But what exactly are pet allergies? A pet allergy is a reaction to proteins found in an animal's skin cells, saliva or urine. When cats and dogs lick themselves, their saliva sticks to their hair or fur. Then if they sit or lean against carpets, furniture, bedding and clothing, the saliva, along with skin cells and urine, can be transferred to those surfaces. In addition, as the saliva dries it can become airborne. Plus, outdoor pets have been known to carry pollen and dust, two other common allergens, in their coats, Cats and dogs aren't the only pets that can cause allergies. Mice, gerbils, hamsters, guinea pigs, ferrets and rabbits, who live in cages with cedar or sawdust beddings, can kick up dander, saliva or urine that's mixed in with the chips. And pet birds can trigger allergy attacks since droppings contain bacteria and mold, which some people are allergic to.Whatever the trigger for your pet allergy, once it sets in you will most likely experience sneezing, nasal congestion, a runny nose, and itching of the nose, roof of the mouth and/or throat. You may also have itchy, red or watery eyes, a cough, and facial pressure or pain. But not all pet allergies trigger symptoms related to the nasal passages. Some people with pet allergies develop allergic dermatitis, which causes hives and itching.One interesting feature of pet allergies: They can develop even if you have had a pet for years without any symptoms. This is called becoming SENSITIZED. Or they may be triggered only by animals that are NOT your own. You may develop an immunity to your own pets through long-term exposure and DEsenitization.If you have pet allergies, don't ignore them. When nasal passages are constantly inflamed, they become vulnerable to bacterial infections. And continuous inflammation of the airways can cause difficulty breathing, wheezing and chest tightness culminating in an asthma attack. Talk to an allergist to find effective treatments for your symptoms.For more information on other airborne allergies and how to diagnose or treat them, check out other videos on this site.More »
Last Modified: 2013-08-29 | Tags »
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A dust mite allergy is a common allergic reaction. Dust mites live in household dust. Find out how to avoid this common dust allergy in this video.
Transcript: You may think you're allergic to dust, but for most people it's actually a microscopic insect, known...
You may think you're allergic to dust, but for most people it's actually a microscopic insect, known as a DUST MITE. Dust mites live IN the dust and ON your bedding and furniture. THEY are what cause the sneezing and watery eyes, asthma and even eczema. Dust mites, discovered in 1964, are tiny members of the spider family, about a third of a millimeter in length. Fortunately, dust mites don't bite, spread disease, or live on humans. But they DO eat skin - dead skin -and their waste is what causes allergic reactions. According to researchers, the mite can live for up to 30 days and drops about 20 fecal pellets per day. So just think of how many pellets are kicked up into the air while vacuuming, bed making, or just walking along a carpet.Dust mites nestle into mattresses, sheets and blankets, feather pillows and stuffed animals that collect our sloughed off skin cells and secretions. They also thrive anywhere that the humidity is above 55 percent, making most coastal areas ideal habitats.About 10 percent of the population is allergic to dust mites. If that includes you or someone in your family, you can limit exposure by: Wrapping mattresses, box springs, and pillows with mite-proof covers, Swapping upholstered furniture for wooden, leather, or vinyl, Using a vacuum cleaner with a HEPA filter, And keeping stuffed toys washed, and off the beds. To learn more about allergies and their causes, check out other videos on this site.More »
Last Modified: 2012-11-07 | Tags »
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People often confuse the difference between food allergies and food intolerance. Both are similar yet have different affects on the body. Watch this video on food allergy vs food intolerance.
Transcript: There is a lot of confusion between food allergies and food intolerance. That's because people who have...
There is a lot of confusion between food allergies and food intolerance. That's because people who have an intolerance for milk-or specifically lactose in milk--for example, may have many of the same outward symptoms as someone who is allergic to milk. But they are distinctly different conditions. A food allergy is caused by an immune system over-reaction to a normally harmless substances such as pollen or milk. Food allergies affect about 5 percent of children and 4 percent of teens and adults.A food intolerance is a gastrointestinal reaction to something in the food that irritates the digestive system OR a food that cannot be digested because the digestive system lacks the necessary enzymes or other chemicals to properly break down the food. Many more people have food intolerances. Lactose intolerance is the most common, affecting about 10 percent of all Americans.Symptoms of a food allergy may include: Rash or hives, Nausea, Stomach pain, Diarrhea, Itchy skin, Shortness of breath, Chest pain, Swelling of the airways, Anaphylaxis-or shock. Symptoms of a food intolerance may include:Nausea, Stomach pain, Gas, cramps, or bloating,Vomiting, Heartburn, Diarrhea, Headaches. If you find that you get an upset stomach and other symptoms after eating, you should talk with your doctor and see an allergist to determine if you have an intolerance or an allergy. Avoiding the food is of course the most effective solution, but that can be difficult some times. And since food allergies can trigger life-threatening anaphylactic reactions that cause difficulty breathing and low blood pressure, you need to know your risks-and be prepared by always carrying an Epi-pen. An Epi-pen is a single shot of the adrenal hormone epinephrine and it stops the most dangerous symptoms until you can get medical attention. For more information on allergic reaction sand treatments, watch the other videos in this series.More »
Last Modified: 2013-08-08 | Tags »
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Hay fever is the term for seasonal allergies. What triggers hay fever? Watch this to get details from an allergist.
Transcript: What is hay fever? Hay fever is the vernacular name for seasonal pollen allergies-you may SAY you have...
What is hay fever? Hay fever is the vernacular name for seasonal pollen allergies-you may SAY you have HAY fever, but not be allergic to hay at all. Most people with hay fever ARE allergic to trees, weeds and grasses. Spring, summer and fall, their pollen can cause sneezing, a runny nose, itchy eyes, a sore throat, dark circles under the eyes, post nasal drip and coughing.More »
Last Modified: 2013-03-07 | Tags »
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Anaphylaxis is deadly if you misunderstand or underestimate it. Watch this video to learn more about severe allergies and get the answers to the most common questions.
Transcript: Learning about severe allergic reactions, also called anaphylactic shock or anaphylaxis, is ESSENTIAL...
Learning about severe allergic reactions, also called anaphylactic shock or anaphylaxis, is ESSENTIAL in order to AVOID their life-threatening effects. So, let's ANSWER 4 common questions related to allergic emergencies. Number 1- Does it matter how much of the allergy-trigger, such as peanuts, you - or someone else --is exposed to? The answer is NO. It doesn't matter if you or your child eats 15 peanuts or just one. Any exposure to an allergen to which you are hyper-reactive may trigger anaphylactic shock. That's why it's really important to always be prepared with an epipen or, if your child is hyper-allergic, to inform teachers and school nurses about your child's condition and make sure they have-and know how to use-an epipen. Number 2-Does anaphylaxis present the same every time? It's a bit different for everyone, but within seconds or minutes after contact with a trigger, FULL-FLEDGED anaphylactic shock may occur. It presents different from an asthma attack because it CAN involve any or all these symptoms: HIVES, and itchy, reddened skin; trouble breathing; wheezing; SWOLLEN face, tongue, and throat; VOMITING and diarrhea; WEAK pulse; sneezing, dizziness and fainting. The only way to stop anaphylactic shock in that moment is with an injection of epinephrine. Number 3-How do epipens work? Epinephrine autoinjectors contain EPINEPHRINE, also known as adrenaline. It's a hormone produced in your body in small doses and in times of stress or danger it dilates blood vessels and increases heart rate. During anaphylaxis, it defuses the crisis by OPENING airways to help you breathe and by constricting blood vessels, so your blood pressure rises back to a normal level. Number 4- Do you have to go to the hospital after using an epipen? Yes. Even after you've used an epipen and anaphylaxis symptoms have lessened, you're not in the clear-- you SHOULD go to a hospital emergency room. Sometimes one or even 2 doses of epinephrine ISN'T enough to completely stop the reaction. And symptoms can return hours later when the initial dose wears off. See your allergist or immunologist to ask questions about you or your child's specific condition. And check out more videos in this series to learn more about severe allergies and anaphylactic shock.More »
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The most common causes of anaphylaxis are things that most people take for granted. Watch this to find out what people at risk for life-threatening allergies have to avoid.
Transcript: One person's FAVORITE meal is another's ticket to the emergency room. Many tasty foods, especially peanuts...
One person's FAVORITE meal is another's ticket to the emergency room. Many tasty foods, especially peanuts and tree nuts, shellfish, cow's milk, soy and eggs, can trigger a severe allergic reaction, or anaphylaxis. Untreated, it can result in death. But an injection of epinephrine can stop the life-threatening symptoms, such as low blood pressure, swelling of the throat, tongue and face, difficulty breathing, hives, dizziness, and fainting. Food allergens ARE the most common triggers of anaphylaxis -they're behind about 100 of the 500 to 1,500 anaphylaxis deaths in the U.S. each year. However, the cause of anaphylaxis is unidentified in one-third to two-thirds of patients. Other KNOWN triggers of anaphylaxis include: Insect stings and bites, such as those from BEES, wasps, and fire ants. Medications, such as ANTIBIOTICS, anti-seizure drugs, and painkillers. And latex, especially when it comes in contact with moist areas of skin and mucous membranes or the inside of the body during surgery. Interestingly, the first time an at-risk person comes in contact with a potential allergen it sensitizes their system, but they do NOT experience an allergic reaction. On the SECOND or third exposure, though, the immune system reacts to the allergen as a HARMFUL invader, and releases excessive amounts of histamine, which cause the life-threatening symptoms of anaphylaxis. If you've had a severe reaction to one of these common allergens BEFORE, you're likely to have another. So stay away from the allergen if you can, and be prepared in advance with an epinephrine injector.More »
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Anaphylaxis is only life-threatening in the movies, right? Wrong! Watch this to learn why anaphylaxis and severe allergies are a big deal in real life and why you need to find out if you're at risk.
Transcript: Yes, your severe allergies can kill you. You know the signs: Throat swelling. Trouble breathing. Nausea....
Yes, your severe allergies can kill you. You know the signs: Throat swelling. Trouble breathing. Nausea. Dizziness. Low blood pressure. Fainting. And even though you've learned how to avoid certain allergens, you're still vulnerable to this life-threatening reaction, called anaphylaxis. This dangerous allergic reaction occurs when the body's immune system has an extreme reaction to a USUALLY harmless substance. In addition to insect bites, many FOODS, certain medications, and RARELY, latex are the most well-known triggers. In the U.S., anaphylaxis results in more than a million of hospital visits annually and between 500 and 1,500 deaths. A person who's had ANY allergic reaction to these substances is at risk for another, potentially more serious response. Getting the hives ONCE from eating shellfish, for example, puts you at increased risk for an anaphylactic reaction to shellfish one day, even if it's YEARS down the road. And remember-SEVERE allergic reactions are UNPREDICTABLE. Once your immune system is sensitized to an allergen, you can't really know how it will react. Yes, sometimes people can "outgrow" or become less sensitive to their allergens, but that's no reason not to have an epipen, or epinephrine injector, available at all times. An epipen is the first line of defense against anaphylaxis-and the only way you can be sure you won't die before you can get to the hospital. If you're lucky enough to not ever need it, it's still better to be safe than sorry. Just because you've learned how to cope with your allergies, doesn't mean you can ignore their risks. To learn more about severe allergies, watch the other videos in this series.More »
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