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Hypersensitivity

A 53-year-old member asked:
Dr. Steven Machtinger
43 years experience in Allergy and Immunology
Typical symptoms: Regardless of the food triggering an allergic reaction the allergic reaction consists of some or all of these symptoms: itchy & swollen of lips, tongu ... Read More
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A 49-year-old member asked:
Dr. Lee Perry
Dr. Lee Perry answered
16 years experience in Allergy and Immunology
Many possibilities: The word "hypersensitivity" often is used to describe an allergic reaction. Possible causes of allergic reactions are sensitivities to foods, insects, ... Read More
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A 36-year-old male asked:
Dr. Heidi Fowler
24 years experience in Psychiatry
Hypersensitivity: Hypersensitivity reactions = adverse reactions produced by a normal immune system. (i.e., allergies or autoimmunity)
A 47-year-old member asked:
Dr. Michael Zacharisen
32 years experience in Allergy and Immunology
Big difference: Type 1 is mediated by the IgE antibody and responsible for anaphylaxis, hay fever, allerg etc. Allergy skin test can identify these. Type 2 is media ... Read More
A 45-year-old member asked:
Dr. Michael DePietro
34 years experience in Pulmonary Critical Care
Not usually: Not usually, however very heavy exposure to the inciting agent or very severe responses can cause severe lung injury and result even in respiratory fa ... Read More
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A 43-year-old member asked:
Dr. John Overholt
25 years experience in Allergy and Immunology
Synonymous: Typically, the terms are interchangeable.
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A 55-year-old member asked:
Dr. Marc Singer
37 years experience in Podiatry
Neurological : Some thing that irritates the nervous system would cause increased pain or sensitivity in the legs. Any thing from diabetes to cold exposure could ca ... Read More
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A 43-year-old member asked:
Dr. Lee Perry
Dr. Lee Perry answered
16 years experience in Allergy and Immunology
IgE mediated: Type 1 hypersensitivity is an immediate, ige-mediated reaction to a trigger (food, insect sting, etc.).
A 44-year-old member asked:
Dr. Michael DePietro
34 years experience in Pulmonary Critical Care
Inflammation in lung: Hypersensitivity pneumonitis is a lung disease in which an inhaled substance capable of triggering an immune response called and "antigen" is inhaled ... Read More
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A 51-year-old member asked:
Dr. Aaron Milstone
26 years experience in Pulmonology
Sherlock Holmes: It can be extremely difficulty to identify the source of hypersensitivity penumonitis; there are literally tens and tens of sources for the illness. ... Read More
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A 55-year-old member asked:
Dr. Michael Sparacino
36 years experience in Family Medicine
Too sensitive: It means that what you or i might consider a simple touch, your friend might perceive as painful.
A 53-year-old member asked:
Dr. John Overholt
25 years experience in Allergy and Immunology
Can be either: Allergic reactions can cause angioedema. This is seen not infrequently in severe food allergies to peanut, tree nuts, and shellfish. The class of an ... Read More
A 29-year-old female asked:
Dr. Nela Cordero
53 years experience in Pediatrics
ATOPIC DERMATITIS: Atopic dermatitis is allergic in origin manifested by eczema or other itchy rashes located in the cubital and popliteal areas, recurrent in nature unl ... Read More
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A 35-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience in Allergy and Immunology
Yes: In fact the intense itching is mostly from an allergic reaction to the mite droppings.
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A 53-year-old member asked:
Dr. TRUC DAO
Dr. TRUC DAO answered
36 years experience in Psychiatry
Sound hypersentivity: Too broad question. Cause of sensitivity? Treat the cause! trauma psychological or physical can trigger hyper response to stimuli , even though sound ... Read More
A 26-year-old member asked:
Dr. Morris Westfried
45 years experience in Dermatology
Yes: They can be reduced with antihistamines, oral betacrotene or in cases of lupus, antimalarials. You can also be slowly exposed to slowly increased le e ... Read More
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A 49-year-old member asked:
Dr. Neal Jain
Dr. Neal Jain answered
21 years experience in Pediatric Allergy
Possible...: Short answer, yes. It is common for juvederm to cause swelling and redness at the site of injection. It is also common to have itching associated wi ... Read More
A 52-year-old member asked:
Dr. Karen Han
Dr. Karen Han answered
22 years experience in Dermatology
No: Rosacea is an inherited condition characterized by extra sensitive skin, flushing, dilated blood vessels, inflammatory bumps that mimic acne, and enla ... Read More
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A 38-year-old member asked:
Dr. Stevan Cordas
56 years experience in Internal Medicine
Pain.: Pain is a complex psychoocial and physical process that has genetic and racial influences. Certain cultures reports more pain to stimuli than others. ... Read More
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A 43-year-old member asked:
Dr. Anne Wishna
15 years experience in Ophthalmology
It can: It's possible to allergic to any medication. If you think you are having an allergic reaction, see your eye doctor.
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A 47-year-old member asked:
Dr. Martin Raff
55 years experience in Infectious Disease
Depends: Number one is removal of the precipitating allergen (cause of the hypersensitivity). Then, depending upon the severity, short courses of anti-inflamm ... Read More
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A 53-year-old member asked:
Dr. John Overholt
25 years experience in Allergy and Immunology
Different: They are both immune reactions but the similarity ends there. They involve different cells of the immune system, have different symptoms, onset and d ... Read More
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A 47-year-old male asked:
Dr. Michael Fisher
31 years experience in Dermatology
Sun Sensitivity: Chemical reactive sun sensitivity may be a consequence of taking prescription or non prescription drugs, such as: ibuprofen, naproxen sodium, ce ... Read More
A 38-year-old member asked:
Dr. Michael Fisher
31 years experience in Dermatology
Desensitization: Allergen desensitization does not work on all allergies--it is most effective with seasonal allergens, indoor allergens and insect bites.Insect bites ... Read More
A 55-year-old member asked:
Dr. Brant Ward
12 years experience in Allergy and Immunology
Yes and No: Allergies to specific triggers, like peanuts, shrimp, dust mites, etc., are not inherited from one generation to the next. However, the general state ... Read More
A 52-year-old member asked:
Dr. Michael Zacharisen
32 years experience in Allergy and Immunology
No: Food allergic reactions are mediated by the ige allergic antibody. Reactions mediated by metabolic factors occur without an ige antibody, so an aller ... Read More
A 31-year-old male asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience in Allergy and Immunology
Cortisone: Topical cortisone lotion (may need a rx) will likely stop the inflammation. In the meanwhile, stop scratching and trying to peel off the scabs.
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A 76-year-old male asked:
Dr. Thomas Namey
47 years experience in Rheumatology
Not reported.: If it occurs, probably another cause, not the simivistatin. I could find only one citation on simvistatin and cutaneous vasculitis, a case report of ... Read More
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A 53-year-old member asked:
Dr. James Ferguson
45 years experience in Pediatrics
No: It is a pattern eruption caused by an infection with the varicella virus.
A 43-year-old member asked:
Dr. Ankush Bansal
16 years experience in Internal Medicine
Any: Any drug can cause an allergic reaction.
A 47-year-old female asked:
Dr. Robert Duhaney
15 years experience in Internal Medicine
Could be but...: Xanax (alprazolam) tends to be a short acting med so a withdrawal after 1 or 2 scattered doses is not typical. Usually folks who take the medications ... Read More
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A 34-year-old female asked:
Dr. Bennett Machanic
51 years experience in Neurology
Not likely: Multiple sclerosis is a disorder affecting various areas of brain, spinal cord, and eyes, with differing events over time. An isolated gag reflex cha ... Read More
A 51-year-old member asked:
Dr. Corey Clay
9 years experience in Allergy and Immunology
Yes: Proteins in skin and urine can be allergenic. An allergist can confirm with available testing. Good luck!
A 46-year-old member asked:
Dr. Lee Perry
Dr. Lee Perry answered
16 years experience in Allergy and Immunology
Delayed reaction: Type 4 reactions are delayed reactions involving t cells (i.e. Poison ivy).
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A 48-year-old member asked:
Dr. Steven Machtinger
43 years experience in Allergy and Immunology
More symptoms: Many allergic reactions are biphasic meaning that immediate symptoms that resolve after a few hours are followed 6-10 hours later by the reappearance ... Read More
A 47-year-old member asked:
Dr. Michael Zacharisen
32 years experience in Allergy and Immunology
Many causes: Severe allergic reactions (anaphylaxis) can be from stinging insects, foods, medications, latex, allergy shots, exercise, and idiopathic (about 1/3 of ... Read More
A 46-year-old member asked:
Dr. Maziar Rezvani
20 years experience in Allergy and Immunology
Nothing Much: There are really no proven techniques which have been demonstrated scientifically to prevent the development of allergies.
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A 63-year-old female asked:
Dr. Creighton Wright
55 years experience in General Surgery
Several: Generations of cephalosporins any other allergies? Penicillin for example?
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A 39-year-old member asked:
Dr. Joseph Eastern
43 years experience in Dermatology
Possible.: Hypoallergenic soaps are a rare cause of rashes, but it does happen occasionally. There are so many other possibilities, however, that you should let ... Read More
A 49-year-old member asked:
Dr. Tanya Russo
24 years experience in Pediatrics
Possibly: Severe allergy to a single thing such as bee stings is not necessarily familial/genetic, but certain families DO have the tendency to be hypersensitiv ... Read More
A 40-year-old member asked:
Dr. Andrew Murphy
28 years experience in Allergy and Immunology
It is possible: Allergic diseases can "travel" in families however, parents don't pass on specific allergies or specific diseases. For example, a parent would not pas ... Read More
A 37-year-old member asked:
Dr. Stephen Kimura
34 years experience in Allergy and Immunology
Yes.: Yes, we do see allergies in families. Your risk of allergies increases if one parent has allergies, and is even higher if both parents suffer from all ... Read More
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A 33-year-old member asked:
Dr. Steven Machtinger
43 years experience in Allergy and Immunology
Genes & environment: Noses run in families. Allergy is strongly linked to inheritance. Cigarette smoking, especially during pregnancy, dramatically increases the risk of a ... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
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Talk to a doctor
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