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What are hypersensitivities?

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Anonymous

12y ago
Updated: 11/25/2022

Hypersensitive to what? That question is uber vague.

What else can I help you with?

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The description of drug-induced allergies will be found in the adverse-reaction section of a drug monograph under the category?

hypersensitivities


What are delayed hypersensitivities?

Delayed hypersensitivity reactions-- Allergic reactions mediated by T cells that occur hours to days after exposure


Is this true or false Allergies or hypersensitivities are normal immune responses?

They're abnormal immune responses - by definition, an allergy is an inappropriate response to a foreign substance. After all, it's not known as an 'allergy' when people's immune systems attack harmful pathogens, despite the body mounting somewhat similar immune responses.


Inappropriate or excessive immune responses to antigens are?

There are four different types of hypersensitivities. Type I Hypersensitivities are mostly allergies and they are exaggerated, misdirected expression of immune responses to an allergen (antigen). The severity of allergies can range from atopy (local allergy such as hay fever or asthma) or anaphylaxis (a violent and potentially fatal reaction that leads to narrowing of the bronchial airways). Foods, drugs, pollen and bee stings can trigger these reactions and this kind of sensitivity can be transferable to normal people through serum antibody.


Atopy and anaphylaxis are hypersensitivities in the category?

Atopy is a type I hypersensitivity reaction that involves IgE antibodies, leading to immediate allergic responses like hay fever and asthma. Anaphylaxis is a severe, life-threatening allergic reaction that involves a systemic release of histamine and other mediators, causing symptoms such as difficulty breathing and low blood pressure. Both atopy and anaphylaxis are mediated by an exaggerated immune response to normally harmless substances.


What Tips to stop snoring during sleeping time?

If you wheeze, you’re in good company: Up to half of all American grown-ups wheeze. It happens when wind currents through your throat when you take in your rest. This makes the casual tissues in your throat vibrate and cause brutal, aggravating wheezing sounds. Wheezing may disturb your rest or that of your accomplice. Regardless of whether it’s not irritating you to an extreme, it is anything but a condition to overlook. Wheezing might show a genuine medical issue, including: Obstructive rest apnea (impeded aviation routes) Heftiness An issue with the structure of your mouth, nose, or throat Lack of sleep. In different cases, wheezing might be caused just by dozing on your back or drinking liquor excessively near sleep time. 15 wheezing cures Now and again of wheezing, it’s essential to look for a specialist’s consideration to get the clinical treatment you have to address the hidden condition. Instances of wheezing brought about by amiable elements — like rest position — can frequently be treated with basic home cures. Here are 15 cures normally used to treat wheezing and its different causes: Shed pounds if you are overweight. This will help lessen the measure of tissue in the throat that may cause your wheezing. You can shed pounds by lessening your general caloric admission by eating more modest parts and more sound nourishments. Ensure you get ordinary exercise day by day. You may likewise think about observing your PCP or a nutritionist for help. Rest on your side. Resting on your back here and there makes the tongue move to the rear of the throat which somewhat impedes wind current through your throat. Dozing on your side might be all you require to never really air to stream effectively and decrease or stop your wheezing. Raise up the top of your bed. Lifting the top of your bed by four inches may help decrease your wheezing by keeping your aviation routes open. Use nasal strips or an outside nasal dilator. Stick-on nasal strips can be put on the scaffold of the nose to help increment the space in the nasal entry. This can make your breathing more successful and lessen or dispose of your wheezing. You could likewise attempt a nasal dilator which is a solidified cement strip that is applied on top of the nose over the nostrils. This can diminish wind current opposition, making it simpler to breathe. Attempt nasal strips to help lessen wheezing. Treat ongoing hypersensitivities. Hypersensitivities can diminish wind current through your nose, which compels you to inhale through your mouth. This improves the probability that you’ll wheeze. Converse with your PCP about what sort of over-the-counter or solution hypersensitivity prescriptions may improve your condition. Purchase over-the-counter sensitivity medicine now. Right basic issues in your nose. I bring a few people into the world with or experience a physical issue that gives them a digressed septum. This is the misalignment of the divider that isolates the two sides of the nose which limits the wind stream. It might cause mouth breathing during rest, causing wheezing. It might be important to get a medical procedure to address this condition. Converse with your primary care physician.


Why do you go completely blind just before you get an excruciating headache?

This question seems to regard a particular type of headache known as a migraine. Most traditional migraineurs experience "auras" as a preliminary symptom of an incoming migraine, which could explain the blindness. Auras typically comprise various shapes affecting peripheral and focused vision and can be just as annoying as the migraine itself. Auras are hard to describe visually, but mine look like a very bright light shining through a prism in water (i.e. a pulsating rainbow effect). In my case, which differs from one migraine sufferer to the next, the worse my vision is due to auras and the longer the auras last, the worse the migraine will be. I recall one time being "blinded" by auras where I was not fit to do anything at all--I could not read anything nor could I focus on anything at all. The migraine that followed those symptoms evolved into the worst one I had, which caused vomiting, nausea, and rendered me totally useless for a few hours. If you experience those symptoms, I recommend taking some type of powerful pain killer immediately. Additionally, begin logging your results per migraine. I record perhaps too much information, but I note the time of day the auras started, how long the auras lasted, rate the severity of the auras, the total duration of the migraine experience, rate the pain associated with migraines, note side effects, record every bit of food eaten (or not eaten) that day and the day before, barometric pressure difference from the day of the migraine and the previous day, the amount of sleep from the night before (or lack thereof), the stress level in your life, pollen levels outside, and note your hypersensitivities (does light bother your eyes? sound? etc.). From taking such logs, I've been able to deduce that irregular dieting (skipping a meal), ingesting caffeine at the wrong time of the day, lacking sleep, and stress factor into triggering migraines. I have it down almost to a T where if I want to induce a migraine, I know exactly how to diet, sleep, and live 48 hours before getting one. Good luck in overcoming them!


What words that start with hyper?

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What kind of food does people having A1 positive blood group consume?

I am not a doctor to tell exactly, but i googled from one site and got the information..., i felt it as a best answer...What is a food allergy?A food allergy is defined as "an exaggerated immune response to a food." Reactions can vary by the person, the food, and the type of response. There are actually four different types of immune responses that cause food allergies or hypersensitivities. These reactions can cause a wide variety of physical, mental and emotional symptoms, some acute (obvious, immediate) and some chronic (hidden, delayed), and can aggravate or cause a number of diseases. Unfortunately, some of the worst reactions are to common everyday foods. There are several kinds of allergy tests, some better than others, depending on the type of allergic response and the type of food.What are the most common symptoms?There are a wide range of mental, emotional and physical symptoms, from classic asthma, rhinitis & hives to autoimmune conditions and kidney disease. If you suspect food allergies, take my online food allergy questionnaire.Which are the most allergic foods?Unfortunately, allergic foods include many of the foods we eat most often: milk, cheese, eggs, soy, wheat, corn, oats, seafood, tomato, nuts, citrus fruits, strawberry, cantaloupe, chocolate, and spices.The Food Allergy Pyramid™The pyramid depicts the most allergic food groups at the top, and the rest in descending order. The severe allergens are reactive for most people. The strong and moderate food groups are reactive for many people. And the mild food groups are usually safe for most people. *However, rare individuals can have life-threatening reactions to seafood, nuts and beans. So be take this into consideration. Scores are based on the Biotype Research, which includes 4 kinds of food allergies. © Copyright, Laura Power 2004. Patent Pending July 2004, Laura Power.What tests are available?IgE antibody tests detect acute allergies, especially aero allergies (ragweed, pollen, etc.), seafood and nuts. IgG antibody tests detect chronic allergies, especially to milk, eggs, and gluten grains (wheat, rye, barley, oats). Only high IgG scores are considered valid -- but these are seen frequently. T-cell tests are scarce, but detect chemical sensitivities and certain chronic food allergies. Skin tests will detect severe IgE or T-Cell reactions. But skin tests will not detect IgG reactions, are not sensitive to fat-soluble food antigens, and may provoke allergic reactions in highly sensitive people. Blood tests can detect all 4 types of allergies, but separate tests must be run for each antibody type, and will not detect allergies to foods that have been avoided for long periods (6-12 months or more).What are the 4 types of allergies?The four types are:Type 1 involves IgE antibodies, which attach to mucus membranes which release histamine. Allergic reactions usually occur within 1 to 60 minutes. They cause classic symptoms, such as: asthma, rhinitis, (running nose), eczema, hives, red cheeks, etc. It is the most dangerous, and can be life threatening. The best test for this is the modified RAST blood test (IgE).Type 2 involves lectin allergens that bind to ABO markers on cells, which include: red blood cells, mucous membranes, intestinal lining, and most other cells. This attracts IgG antibodies and killer cells, which destroy our red blood cells, and may cause anemia. About 70 known food lectins attach specifically to A, B or O blood types. Most lectins are destroyed by cooking and digestion, and rarely cause serious problems. These allergens have been identified by the scientific literature for each blood type.Type 3 involves food allergens, IgG antibodies, and neutrophils (white blood cells), which clump together to form large immune complexes in the blood. These deposit in the organs and tissues, where they cause inflammation and tissue damage, leading to chronic degenerative symptoms or diseases, such as autoimmune conditions, arthritis or kidney disease. The best tests for this are either a modified RAST or an ELISA blood test (IgG).Type 4 involves T-Cells in the skin and soft tissues. Macrophages (white scavenger cells) engulf food allergens and transfer these to T-Cells. Both cells release interleukins (cell messengers) which stimulate the immune system and cause inflammation and tissue damage, leading to degenerative symptoms. The best test for this is the ELISA/ACT LRA blood test.Do you have food allergies?Determine if you have food allergies. Take our automated online questionnaire. At the end click to submit, and you will receive confidential answers."