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Rashes and other Allergic Reactions

Posted on January 1, 2017 at 2:35 PM


- Wheal and flare - white swollen center, flat red surrounding area - Itchy, not painful

- Change/move over time

- Generally not dangerous on their own, unless they are in the mouth/throat

- Call a doctor immediately if your child also has cough, itchy throat, swollen lips, trouble swallowing, drooling, or vomiting

Contact dermatitis:

- Red, dry patch that is itchy and not painful

- Generally the same shape as the allergen

- Remove the allergen and it resolves on its own without treatment


- Starts off as dry skin that is itchy, not painful

- Can be the same color as surrounding skin, or may be red

- Child needs to moisturize first! Also drinking more water will help moisturize the skin

- Discourage scratching - this can cause it to get worse (flare up) and/or get infected

Food allergies

- Common symptoms are rash, cough, itchy mouth/throat, swollen lips, trouble swallowing, drooling, or vomiting. Call me (or another doctor) immediately if the child develops any of these symptoms and/or if you suspect a food allergy.

- Pay attention to everything the child ate prior to developing symptoms

- The most common food allergens: milk, eggs, soy, wheat, fish, shellfish, nuts, peanuts.  Children typically outgrow the first 4 and do not outgrow the last 4. It is NOT safe to “test” whether they are still allergic by letting them eat the food.  

- Food allergy testing can be done at a doctor’s office

Hay fever / environmental allergies

- Typically mild - the child can still be at school, but inform parent that they have allergic symptoms

- Sneezing, itchy/watery eyes, cough/wheezing, skin rashes - the child may have some or all of these symptoms

- Common allergens: tree/grass pollen, dust, mold, animals (especially cats and dogs)

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