Doctor insights on:
Sweat Bees Allergy Rash
Can Benadryl (diphenhydramine) help a swelling and hive reaction (itching) allergic reaction to penicillin?
Depends: on the reaction, if just hives and itching, yes benadryl (diphenhydramine) can control it in the right dosage, after discontinuing the offending drug, but if more severe symptoms/swelling you need medical attention with the possible addition of epinephrine and probably steroids, ...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
Usually not: "hay fever" refers to the sneezing, itching and nasal congestion of allergic reactions to pollens, most commonly to the weed pollens and molds that are common during the time of year that hay is being harvested. Only in the most exquisitely allergic do these reactions cause rashes. Allergic rashes are very difficult to diagnose; see an allergist or dermatologist for help with this. ...Read moreSee 2 more doctor answers
Allergy to insect bi: Most of the allergies to insect bites caue local reaction and itching.But some people have severe reaction to insect bites and stings especially bee stings.This is a life threatening allergic reaction and is called anaphylaxis, this can cause breathing difficulty and is an emergency.Need to be treated with Epipen (epinephrine) injection and emergency treatment. ...Read more
Not always: I am answering the question that i often get about armpit stinging with deodorant, this can be immunoglobulin e mediated allergy or cell mediated allergy (delayed type hypersensitivity, or type IV sensitivity) or merely irritation. A patch test can determine delayed type hypersensitivity, ige allergy is less commonly tested, irritation is diagnosed by the lack of other mechanisms. ...Read moreSee 1 more doctor answer
With direct contact: Cat and dog allergy causes eye, nose and asthma symptoms and these symptoms usually develop before itchy skin. Direct contact with your pet is required to cause itchy skin and then you would see redness and possibly hives at the contact site. If your pet spends a lot of time on your bed or sofa and then you lie on it, you could develop itchy skin. ...Read moreSee 1 more doctor answer
Lots of bugs: Most insect bites cause local inflammatory reactions like itching and welts that are mild and resolve within a few hours without complications. Of course bee stings and cause more severe local and systemic reactions if you are allergic but any biting bug could cause a localized response. Mosquito bites are common culprits. Ticks, flies, and fleas are also implicated. ...Read more
Poison oak: Some people appear to be immune, others become immune. However, you can gain or lose immunity, so to assume you can't get it if you never have before is foolish. People change as they age. I would never assume that i was immune at any time no matter what my past experience was. ...Read more
Bug / insect bites with allergic reaction. Can i take hydrocortisone and Benadryl (diphenhydramine) to cure?
Identify & medicate: With any allergic reaction, it's important to identify the trigger and avoid. Other antihistamines can be tried and these include claritin, clarinex, allegra, zyrtec and xyzal (levocetirizine). Under the direction of a physician, higher doses may be needed. If the reaction is severe, seek care, as oral steroids may be necessary. ...Read moreSee 1 more doctor answer
Possible: If you feel you are allergic limit exposure and test to other unrelated product. ...Read more