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Why Does An Allergic Reaction Turn Into A Rash
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
Can a child overgrow an allergy to an insect venom? If fire ant causes rashes, and swollen ear does it mean a child has severe allergy?
How old is ur child?: The reaction you described differs if before or after 5 years of age, please avoid exposure, keep an epinephrine pen and antihistaminic handy, check with an allergist/immunologist, might need desensitization according to clinical judgement after history and examination. Check aaaai.org or acaai.org for an allergist in your area, best wishes ...Read more
Itchy rash typically: The neomycin component of neosporin is a well known and fairly common trigger of allergic contact dermatitis. The rash is itchy, red and occurs where the medication came into contact with the skin. The mechanism is similar to poison ivy type rash. An allergy skin test is available if the diagnosis is in question. ...Read more
Depends: It depends on the nature of the immune response. Allergic antibody (IgE) mediated reactions occur rapidly after ingestion and can involve hives, skin swelling, wheezing, shortness of breath, nausea/vomitting, diarrhea, dizziness, confusion, palpitations, loss of consciousness and even death. A delayed reaction can occur after days on the medicine and would have different constellation of symptom ...Read more
Same as other foods: Food allergy usually starts within 30 min. And involves some or all of following: itchy/swollen lips/mouth/throat, nausea, vomitting, abdominal cramps, diarrhea, flushing, itchy skin, hives, chest tightness, wheezing, runny/stuffy nose, itchy/watery eyes, lightheadedness/low bp. It is rare to have a single symptom except itchy mouth and symptoms resolve within 24 hours. Allergic reactions to fo. ...Read more
Hives, usually: Most rash from shellfish allergy looks like hives (urticaria) and/or swelling of the eyes, lips and hands (angioedema). A few people with atopic eczema who are shellfish sensitive might get worsening of their eczema. People who process shellfish (like fishermen or cannery workers) might get an eczema-like rash on their hands and skin where they contact the shellfish. ...Read moreSee 1 more doctor answer
Varies: If you think you having an allergic reaction to any drug contact the doctor who prescribed the drug if you can stop the drug .Discuss whether you can use another drug which will not give you possible reaction. If the drug is essential it can be reintroduced after the rash resolves only under direct medical supervision. It is preferable to avoid drugs which cause allergic reactions. ...Read moreSee 1 more doctor answer
Probably not.: If you are referring to an opiate pain killer like codeine, hydrocodone, morphine, etc. The itching likely represents a release of histamine -- the chemical that causes allergic reactions. This is a function of the medication itself. Histamine is also released in allergic reactions so the confusion is understandable. If the painkiller is Ibuprofen or something similar, it could be an allergy. ...Read more
Yes: Peanut allergy can manifest itself as hives (urticaria) commonly. Hives look and feel like mosquito bites--they are raised, red, itchy, round to oval and can be of various sizes, scattered on the body. Hives usually wax and wane and the skin appears normal after they resolve. If the rash occurred after eating peanut, see an allergist for confirmation and a treatment plan. ...Read more
Absolutely.: Certain rashes are definitely not related to allergies; diagnosis starts with the appearance. This is where a knowledgeable, experienced diagnostician is key. Many viruses do, too, and some are quite itchy. So do medications, too, and continuing to take the drug may be risky. Better get checked out. ...Read more
Is dermographism caused by an allergy reaction? For example, I just randomly scratched & lines started to appear, is it an allergy reaction?
IgE antibody: When the body is exposed to an allergen (once or more likely many times), the body can respond by making the antibody ige. On re-exposure, the ige that is attached to mast cells present in the nose, skin, and lungs, degranulates and releases chemical mediators like histamine that leads to the symptoms of an allergic reaction like sneezing, itching, congestion, and swelling. ...Read more
Depends: If your talking about the mosquito getting a rash after he bites you its hard to see. Look through a magnifying glass at his chest and proboscus area. Usually they fly away before you can find a tiny magnifying glass. As for the situation of a rash on you from the mosquito. It looks red, bumpy and is itchy. ...Read more
Not common: unless you scratched it so deeply that it started to bleed. ...Read more
What does it mean when a baby's skin breaks out in small red bumps all over? Kinda like an allergic reaction.
Infantile eczema: Allergies, rule out change in detergents or food consumption.Baby eczema (infant eczema or atopic dermatitis) appears in about 10% to15% of children. It shows up as patches of red skin.Skin is almost always itchy, dry, and rough. Dry skin, irritants, and allergens causes.Usually outgrow condition. Treatment with daily warm baths, not hot, no bubble baths, soaps, use moisturizer on skin after bath. ...Read more
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