Doctor insights on:
Common Medical Allergies List
Swollen node in neck for a year. Swells and shrinks without allergy, cold etc. No pain. No family history of medical issues. PCM says not worry. Common?
May need diagnosis: It depends on the size of the lump. If it is less than 5 mm (1/4 inch) and has not changed in a year, it may be harmless. If it is larger or growing, might be helpful to try to find the cause. Infection is most likely, malignancy possible. Could be cyst or other tissue, rather than lymph node. ...Read more
Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more
Common: Allergic rhinitis including allergy to dogs is common, affecting 10-30% of people in the U.S. Rates seems to be increasing over time, particularly in urban areas. These statistic include all allergy sufferers (trees, grass, weeds, dust mites, molds, cats, dogs, etc). I don't have rates for dog allergy sufferers specifically. ...Read more
Many things: Pet dander, dust mites, molds, grasses, tree pollens!!!! ...Read more
Symptoms: Similar to other allergies. Sneezing, runny nose, and watery & itchy eyes. You could possibly get hives from the cat saliva, if you are sensitive. Unlike tv ads would have you believe, specific allergen causes do not cause specific symptoms or require specific treatment. Although, food allergies are a different story. ...Read more
Exposure/foreignness: The frequency of an allergy is related to the amount of exposure that a population has and how likely a protein is to promote production of the allergic antibody. Proteins that are much different than those made by humans are more likely to cause this type of reaction. ...Read more
Allergies: Keep your home free of dust. Avoid carpet and clutter if possible. Try to figure out your triggers-perfumes/ pet dander/flowers/etc and rid your home of as many of these things as possible. ...Read more
Anaphylaxis to...: Or you can use "life-threatening food allergies to..." and then list the foods. For kids there is allerbling (see photo). ...Read more
Life threten attack: Yes you should.Get a more detailed answer ›
What would be a significant or serious reaction to first time allergy shot? And how common is it?
How common is an allergy or intolerance to nightshade vegetables/foods? What are the typical symptoms?
Fairly: Allergy is likely rare but intolerance likely fairly common. Allergy to foods in the nightshades family in not that different from other allergy allergies although anaphylaxis must be very rare. As for intolerance, it can be almost anything with different people having different symptoms to a certain food. ...Read more
Somewhat: Latex allergy is estimated to affect about 5-10% of the general population; the people most at risk of becoming sensitized to latex include patients requiring multiple medical procedures (such as children with spina bifida or people with urinary tract abnormalities), rubber industry workers, and health care professionals. Symptoms range from contact reactions to full-blown anaphylaxis. ...Read more
Possibly: There is something called oral allergy syndrome, where people who are allergic to ragweed, cannot eat the melon family. They get itching in the mouth and ears, and sometimes swelling. This occurs in people who are allergic to birch trees, and eat hazelnuts, or some fruits such as apple, plums, and nectarines. ...Read more
About 1 in 200: A 2004 study by scott sicherer et al pegged an overall rate of seafood allergy in the us at a little over 2% - that's one in 50. Most of that allergy was reported for shellfish. The rate of fish allergy was 0.6% - less than 1 in a 100 and closer to 1 in 200 persons. ...Read more
Rates of peanut allergies have increased over the past two decades. In 1997, only 0.4% of children had peanut allergies as opposed to 1.4% in 2008. The prevalence of combined peanut or tree nut allergies in children was 2.1 percent in 2008, compared to 0.6 percent in 1997.
In regards to adults, peanut and/or tree nut allergies remained steady among adults, with a rate of 1.3%. ...Read more
Tricky question: Not as often as people think. Studies have shown that up to 80% of people reporting a medication allergy and not actually allergic to that medicine. Often with antibiotics the rash is actually due to the underlying infection being targeted with medication and not the medication itself. Talk to an allergist. ...Read more
Egg allergy: Egg allergy can lead to a worsening of eczema, it can result in hives or swelling (angioedema) of the face, mouth or entire body. Symptoms can include vomiting and diarrhea. Egg anaphylaxis (severe reaction) is less common, but more serious. Egg allergy is more common in children than adults and the triggering protein is usually in the egg white vs the yolk. ...Read more
"atopy": Both asthma and allergy (such as allergic rhinitis) are potential manifestations of what is known as "atopy." atopy means that someone has an underlying allergic inclination due to allergic antibody that can manifest as eczema, nasal or ocular allergies, food allergies, or asthma. About 60% or so of asthma is allergic or atopic asthma, but about 40% of asthma is not caused by allergy. ...Read more
Yes: Somewhere between 2-5% of children will have a milk allergy. Many but not all will outgrow that allergy as they get older. By adulthood only 0.1-0.5% of people will have an allergy. However, milk intolerance (lactose intolerance) is extremely common in adults. While not a "true" allergy, it can cause gas and diarrhea when milk is drunk. This happens in 25% of caucasians and 90% of asians. ...Read more
Less common: Once manufacturers stopped using cornstarch powder and spray molds, immediate-type reactions like sneezing and wheezing became much less common. Now latex allergy is rarely seen outside of high exposure groups such as health care workers and persons who have had multiple surgeries for spina bifida, genitourinary malformations, etc. ...Read more
Rarely: In general insect pollenated plants have low allergy potential because the pollen is too heavy to be carried by air currents into your nose. Flowers are giant advertising signs for plants attracting insects to them with bright colors and interesting aromas. The plant trades nectar for a chance for its pollen to hitchhike from one flower to the next on the bug's back. ...Read more
Medical term: There are several. Most allergists just say food allergy. If you want to get more specific you could say "IgE mediated food hypersensitivity". That would distinguish between a food allergy and another type of food reaction such as lactose intolerance which would not be classified as an allergy. ...Read more