Doctor insights on:
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
Anyone know how long after taking a new medicine that an allergic reaction (rashes, itching etc.) would occur?
See below: Most reactions start from the 1st to 4th dose of a medicine. ...Read more
My wife seems to be having a bad allergic reaction. She has rashes all over her body and is itching badly. What is the best way to alleviate this?
Stop the offending: cause if known. Also reasonable to take short acting antihistamines like Benadryl (diphenhydramine) or longer acting ones like Claritin or Zyrtec. If the rash is severe enough and/or the itching is not alleviated than over the counter steroid creams may be beneficial. Of course if symptoms do not improve or worsen a trip to the doctor may be in order for a definitive diagnosis and/or stronger prescriptions. ...Read moreSee 1 more doctor answer
I smoked weed for the first time and i woke up in the morning with rashes on my chest and chest pain, is this normal? Is it an allergic reaction?
Probably: You have a great reason not to try that stuff again. Most of us are goofy enough without needing cannabis. If the stuff does become legal and you want to resume, remember that there may have been something else in that particular batch that "wasn't supposed to be there." experiment again only at your own risk. ...Read moreSee 1 more doctor answer
Can my child get a non-itchy rash as an allergic reaction to her body wash? I noticed since changing her wash, she now has flat red rashes on her.
Yes , it is possible: Although It is not common to get an allergic rash as a reaction to the body wash, but it is possible. She should be checked by her pediatrician to be sure that it is an allergic rash and not a something else. Changing the body wash in addition to use of a mild antihistaminic medicine would solve this problem ...Read more
There is a small rash on my wrist below my palm. It doesn't itch at all. There are no rashes anywhere else on me. Is it an allergic reaction?
Possibly: Is is a site where jewelry of a watch sits ? ...Read more
My boyfriend would sometimes get rashes under his armpit neck and back after unprotected sex. is it me or is it like sweat or an allergic reaction?
Got an allergic reaction from unknown source on my entire body, tried Benadryl (diphenhydramine) , not helping. What can I try using? Just itching all over, no rashes,hives.
Dry skin?: Dry skin by far is the most common cause for itching without a rash.Try applying moisturizer all over within 3 mins after bathing while avoiding scented or antibacterial soap. If problem continues , see allergist or dermatologist since there are many potential causes for itching. ...Read more
My 9 month old was prescribed amoxicillian for an ear infection. After three days, little red rashes are on his body. Is it an allergic reaction?
7yo has rashes on both upper arms. Raised red bumps. Itchy. Doesn't look like hives. Allergic reaction?
Skin rash: The differential is very large. Could be sun exposure. Could be contact dermatitis. I would follow up with your family physician or dermatologist and give a more detailed rendering. When did it happen? Was the child taking any medication at the time? Any travel history? Use of new detergents or change in clothes? Have a great day. ...Read more
Could shellac nail polish cause an allergic reaction in the form of an itchy throat. Without any rashes or pain etc near the actual nails/hands/feet. ?
A few days: Rashes from something you ingest typically last for just a few days or less. The bigger question is what really caused the rash. People break out in rashes from time to time, and it's just human nature to blame the rash on something we ate in the last few hours. If the rash is continuing for more than a week, it probably has nothing to do with the echinacea; you should see your pcp to check it out. ...Read more
Allergic Rashes: There are different types of rashes seen with allergic reactions. There are rashes from contact to an allergan. These can range from just a few small bumps in the area of contact, such as being allergic to nickel in a ring. Another contact allergy poison ivy can progressively spread. Food allergies may start with hives but can quickly progress to dangerous swelling of lips, throat for some. ...Read more
Variable: Hives or urticaria may wax and wane then resolve within a day or 2 after ingestion or contact with a food allergen. However, poison ivy or nickel allergic contact dermatitis may take 4-6 weeks to eventually resolve. The time to resolution is also impacted by what medications are taken such as oral corticosteroids such as prednisone, which can decrease the time significantly. ...Read more
Rash vs allergy: Reactions to foods, medications, insect (bee) stings often are generalized (all over), and usually are hives. Viruses and bacteria can trigger rashes that are typical for the infection (for ex., scarlet fever), but also hives. Trouble comes when on medications for an infection, and a rash or hive breaks out. Seek an experienced provider, allergist or dermatologist. ...Read more
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