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Doctor insights on: Possible Hives

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Does chronic hives signal possible future anaphylaxis reaction?

Does chronic hives signal possible future anaphylaxis reaction?

No: These are two separate entities. It is often difficult to identify the cause of chronic hives, and less often for anaphylaxis. But unlike some other allergic phenomena, there is no progression from hives to anaphylaxis. The best step you can take is to see an allergist to try to understand why you're having hives. ...Read more

Dr. Abraham Jaskiel
3 doctors shared insights

Hives (Definition)

A condition characterized by an outbreak of red bumps that appear quickly after exposure to certain allergens (foods, medications, or other substances). They can vary in size, are itchy, can burn, and can last for up to ...Read more


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Allergic reaction to all cephalosporins possible?

Allergic reaction to all cephalosporins possible?

Yes: Allergy to the entire class of antibiotics called cephalosporins is indeed possible. That allergy would be the common part of the molecule shared by all cephalosporins and penicillins, the beta-lactam ring. ...Read more

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What can cause hives besides an allergic reaction?

What can cause hives besides an allergic reaction?

Releasing histamine: Hives are due to a release of histamine in the skin, commonly due to allergy to foods, medicines, viruses, molds, animals, pollens, etc... Some people release histamine and get hives when exposed to cold temperatures, cold water, sunshine, stressful situations, etc... Other people with hives may have internal medical conditions such as chemical imbalances, intestinal parasites, etc... ...Read more

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Allergic reaction (possible anaphylaxis) after allergy testing, what to do?

Allergic reaction (possible anaphylaxis) after allergy testing, what to do?

Allergy testing: Only physicians trained in the specialty of allergy, asthma ; immunology are trained in a monitored situation during residency to perform skin testing for ige-mediated allergy. Some ENT programs are adding this to their training. If you were skin tested by a non-specialist, consult a specialist, if you were skin tested by an allergist, it is likely that you are unusally allergic. ...Read more

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Is it possible to have cholinergic urticaria without producing hives?

Is it possible to have cholinergic urticaria without producing hives?

Yes: Actually, by definition, no, but I have had patients with every aspect of the disease without the hives, so i just treat it is a variant. ...Read more

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Can hives be symptoms of dog allergies?

Can hives be symptoms of dog allergies?

Yes if when with dog: Any severe allergy can cause hives in the allergic person, so yes, hives could be due to a dog. More people are allergic to cats than are allergic to dogs, by a large percentage, but some people have life- threatening dog allergies. Severe reactions can include eye swelling, throat- closing, coughing and asthma, and shock, as well as skin rashes including hives. ...Read more

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Can hives be a symptom of contact urticaria?

Can hives be a symptom of contact urticaria?

Hives: Urticaria is the medical term for hives. Contact urticaria happens when you come into contact with something your skin is allergic to and you develop hives from it. The best thing to do is avoid contact with that thing your skin is allergic to. ...Read more

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Can Benadryl (diphenhydramine) help a swelling and hive reaction (itching) allergic reaction to penicillin?

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

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Can sun urticaria cause anaphylaxis?

Can sun urticaria cause anaphylaxis?

Not usually: Solar urticaria is not usually associated with anaphylaxis but cold urticaria may. Perhaps extensive exposure can cause problem but most people would have had a sunburn before further complication develops. ...Read more

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Is it possible to get an anaphylactic reaction from poison ivy or just rashes?

Is it possible to get an anaphylactic reaction from poison ivy or just rashes?

No anaphylaxis: The reaction (rash) that one gets from exposure to poison ivy is mediated by t cells, not immunoglobulin e (ige). Ige is the antibody that mediates anaphylactic reactions. Therefore, an anaphylactic reaction to poison ivy is very unlikely. ...Read more

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What causes hives besides allergies?

What causes hives besides allergies?

Several causes: The most common causes of hives are allergy, autoimmunity, and physical stimuli. Foods or drugs can cause hives - peanut and shellfish are common food allergens, and Ibuprofen and penicillin are common drug allergens. Some hives are due to physical stimuli such as cold, heat, pressure or stroking of the skin. ...Read more

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Good morning can herpes cause lips to swell resembling an allergic reaction?

Good morning can herpes cause lips to swell resembling an allergic reaction?

Yes: and they can be very uncomfortable. See dentist or PCP asap for Rx for antiviral meds. This should shorten the duration and lessen the severity. Best to start meds when the first symptoms appear. ...Read more

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Could this itchy red rash be an allergic reaction to sulfa?

Could this itchy red rash be an allergic reaction to sulfa?

Sulfa allergy: Drug allergic reactions can take on many forms including: hives, swelling, blistering, dry itchy patches, non itchy red flat or slightly raised areas. To determine if a rash is related to a medication typically requires reviewing when a medication was started, when the rash started, other medications taken, infection being treated etc. There is no allergy test for sulfa. ...Read more

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Allergic reaction possible to chickenpox vaccine?

Allergic reaction possible to chickenpox vaccine?

Yes: All vaccines have adverse reaction profiles much like medication we are taking or prescribed. The extent of severity is quantified and compared to a control or non treatment group. Reactions can be local and mild versus more systemic/body related. The varicella vaccine (aka chickenpox) is very safe. Allergies to egg whites-albumin is a contraindication to this shot (like mmr). ...Read more

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Allergic reaction to chickenpox vaccine possible?

Allergic reaction to chickenpox vaccine possible?

Yes,it's mild: A eaction to chickenpox vaccine would occur about 5 days after the shot. The patient may get a little chicknpox-like rash around the site of the shot. It is not common, and not serious. The disease if your child is not vaccinate would cause much more uncomfortable symptoms than the possible side effects of the vaccine. So give your child the chickenpox vaccine! ...Read more

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What are the most common eczema triggers? Could a severe reaction to poison ivy trigger an eczema flare after/in addition to the allergic rash?

What are the most common eczema triggers? Could a severe reaction to poison ivy trigger an eczema flare after/in addition to the allergic rash?

Eczema Triggers: Eczema Triggers include Chemicals, Hot water, Overbathing, detergents, soaps, shampoos, perfumes, scented body care products, stress, pet dander, molds, dust mites, cockroaches, to name a few. Yes, a severe reaction to poison ivy could definitely trigger an eczema flare! Hope this helps! ...Read more

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How serious is a rash with a possible allergic reaction?

How serious is a rash with a possible allergic reaction?

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

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What can cause hives and swelling if its not an allergic reaction?

What can cause hives and swelling if its not an allergic reaction?

Hives and angioedema: Most hives and angioedema are caused by allergic reactions however they can also be caused by reactions to medications or things like heat, cold or sunlight. A variety of infections, including viral or bacterial infections, or collagen vascular disorders can cause a very similar rash. ...Read more

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What are possible allergic reactions to braces?

What are possible allergic reactions to braces?

Very rare: Nickel allergy and latex allergy. Latex is the number one, our gloves and elastics are made from latex. We use an alternative when allergy is present. Brackets and wires are made of metal alloys that contain some percentage of nickel. I check for this by asking what type of jewelry the patient can and cannot wear. Invisalign is an alternative, also titanium braces are available. ...Read more

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