Doctor insights on:
How To Tell The Difference Between Heat Rash And Allergic Reaction In A Child
Rash v Allergies: Heat rash develops when your sweat ducts become blocked and perspiration is trapped under your skin. Symptoms range from superficial blisters to deep, red lumps. Some forms of heat rash can be intensely itchy or cause a prickly feeling. Heat rash usually goes away on its own. Allergic reactions go away with removal of the allergen and return when re-introduced. ...Read moreSee 1 more doctor answer
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
Caused by heat: Heat rash is caused by heat. It has a variety of presentations, most common being red bumps with small vesicles that are easily ruptured. Contact dermatitis is extremely itchy and is localized to areas that are exposed to the offending agent. It is always red and swollen and sometimes has small vesicles with the affected area. ...Read more
Better description: A heat rash is an unspecific term but presumably related to heat. How long does it stay with you after the exposure and whether it itches or not is another issue we need to know. Also we need to know the time of onset of the rash after sun exposure. In general, an allergic reaction is often accompanied by itching. Regardless, the prudent answer is avoid the exposure. Sunscreen tried yet? ...Read moreSee 1 more doctor answer
I need to know if this rash is a heat rash, allergic reaction or something else since it happened after I had my blood drawn today?
Need more info: Where is the rash? What does it look like? If the rash is only at the site near the needle puncture, you may be allergic to the solution applied to disinfect the skin or to the bandaid that was applied after the needle puncture. If the rash is elsewhere, then it is not likely to be related to having blood drawn. ...Read more
I have something on my chest that's bumpy and itchy and it's been spreading. I thought it was a heat rash but it could be an allergic reaction.?
July I noticed my skin breaking out, heat rash, was going away now seems to be back along with whiteheads on face. Looks bad like allergic reaction, help?
May not be allergy: You don't really describe the original rash and don't mention itching. You also have other issues. Miralax (polyethylene glycol) may cause abdominal pain and diarrhea. Try an anti-histamine such as fexofenadine (allegra) or Loratadine (claritin, alavert). I don't suggest Cetirizine (zyrtec) or Diphenhydramine (benadryl), because they may worsen constipation. If no better in 2 days, see your physician. ...Read more
How can I tell the difference between heat rash, and a reaction to taking Aleve (naproxen). Do either require medical attention?
Not enough info: As to skin rashes, seeing IS believing. I recommend that, if you can't get in to see your own doctor, you go to an urgent care center for evaluation. Alternatively, you could do a Virtual Consult with one of our doctors. You would need to do an audiovisual consult and upload a picture of the rash. The urgency depends on the severity of your symptoms. ...Read more
ECZEMA /HEAT RASH: Eczema is a chronic skin condition and often needs moisturisering the skin and may need some mild steroid cream locally. Presents with dry scaly patches and rash and can be mild and in some cases severe heat rash is a mild self limiting skin rash which clears up by itself and does not require any treatment except avoiding excessive heat to reduce sweating. In very severe cases you may use steroid. ...Read more
Small bumps spreading on body? Doctor says its heat rash or allergies? It's been 6 days. Very itchy. Wrong diagnosis?
Allergies or hives: You need re-evaluation by your doctor or dermatologist. Hives (urticaria) is a form of allergic reaction with welts that come and go (increased on skin folds/creases, or after scratching). Many other causes of itchy rash - such as scabies (intense itching, starts in one place and spreads, small bumps + scratch marks, it spreads to others), drug reaction, food allergy, liver disease, ... etc ...Read moreSee 2 more doctor answers
All quite different.: Heat rash (or prickly heat, or miliaria) is the rash produced when heat causes your sweat glands to plug up. Heat stroke is the overheating of your entire body when you spend too much time in a hot environment, become dehydrated, and can't produce enough sweat to cool your body. Sun poisoning is just another name for a bad sunburn. ...Read more
Vast: Ivy dermatitis is an allergic reaction present only on areas exposed to the sap of the plant. Itching is intense and blisters are common. Ivy dermatitis shows lines and patterns. Heat rash is diffuse and symmetrical. It is much less itchy. Blisters are not usually present. ...Read moreSee 1 more doctor answer
My 1 month old son keeps getting red bumps all over his face chest and upper arms on and off. Could this be heat rash, or can he possibly be allergic to the baby wash I use for his bath?
How can I identify if my baby has heat rash or eczema? Her rashes are red and its flaky on her face, because of dryness her cheek has a small cut now.
Heat rash or shingles on face. Not painful like shingles but used to have it many of times as a child. Want to make sure it's not shingles
Specific location: Shingles are going to be localized to the distribution of a specific nerve root & only on one side of the face. (never crosses the midline) It is often most painful before the spots emerge & rarely happens more than once. I've seen it as early as 15 months but it is unusual before late adulthood. If this happens repeatedly it is likely something else. An exam can confirm or exclude shingles. ...Read moreSee 1 more doctor answer
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