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Doctor insights on: Allergy Hives

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What can I do to help my allergy hives when no OTC medicine or cream seems to help?

What can I do to help my allergy hives when no OTC medicine or cream seems to help?

See an allergist: The best treatment for hives is to avoid whatever is causing them; an allergist can help with the identification. In the majority of cases in which no cause can be identified, prescription medications can be vastly more effective than what is available over the counter. ...Read more

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Dr. John Chiu
2,573 doctors shared insights

Allergies (Definition)

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


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How long do penicillin allergy hives take to clear?

How long do penicillin allergy hives take to clear?

Varies: Hives due to drug allergy usually improve within a day or two of stopping the medicine but can last as long as a week or two. It is best to call the doctor to determine what treatment is needed. ...Read more

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Citalopram allergy = hives?

Citalopram allergy = hives?

Very rare: According to fda data less than 1% of individuals develop urticaria (hives) or anaphylaxis with citalopram. Citalopram can be ruled out as the cause of any anaphylaxis, skin rash or hives you develop after you have been on it for over 1 year. ...Read more

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I have allergies( hives) that are itchy only during evenings and come on and off times what's wrong with me? Its been almost a month, its not bed bugs cuz we bug sprayed it a week ago just incase. Some hives stay and itch like crazy, some comes on and off

I have allergies( hives) that are itchy only during evenings and come on and off times what's wrong with me? Its been almost a month, its not bed bugs cuz we bug sprayed it a week ago just incase. Some hives stay and itch like crazy, some comes on and off

Hives : Hives are a common problem with many potential triggers. You should see an allergist for a variety of food and other tests as well as labs performed to rule out systemic etiologic factors for hives. Medications to relieve the hives can be given. ...Read more

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Why would i suddenly have so many med allergies (hives, etc?) allergic to nsaids, opiates, keflex, and more. All within a couple yrs. Why?

Why would i suddenly have so many med allergies (hives, etc?) allergic to nsaids, opiates, keflex, and more. All within a couple yrs. Why?

It is uncommon: First you need to describe what kinds of problem you have had with each of the drugs since some may not really be from an allergy. Becoming "allergic" to drugs with unrelated chemical structure in 2 years is also rare. You need to consult an allergist to help you sort this out. ...Read more

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Have allergies, hives that are frequent, sometimes warm flushing. When to use epipen (epinephrine)? For every bout of hives? Never have breathing probs or swelling.

Have allergies, hives that are frequent, sometimes warm flushing. When to use epipen (epinephrine)? For every bout of hives? Never have breathing probs or swelling.

No epipen (epinephrine): Epipen (epinephrine) should be used only when you have breathing problem from swelling in the throat of tongue or starting or faint from anaphylaxis. It should not be used for hives which can usually be controlled with 4x daily antihistamine. Consult an allergist to find out what can b e done about your hives. ...Read more

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Took Doxycycline hyclate this am without food per directions then vomited repeatedly. Should try with food or is this an allergy? Hives now, not am.

Took Doxycycline hyclate this am  without food per directions then vomited repeatedly. Should try with food or is this an allergy? Hives now, not am.

Side Effect: This is a side effect of that drug. You should report back to your prescribing doctor and go from there. Please report to your doctor asap. Doctors like feedback. ...Read more

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HI, My 2 week son is having allergy/Hives and paediatrician advised Fenistil drops for him. Can yo please advise if it is safe for 2 week old baby?Tx

HI, My 2 week son is having allergy/Hives and paediatrician advised Fenistil drops for him.  Can yo please advise if it is safe for 2 week old baby?Tx

I would not: recommended this medicine for this child this young. I know this medicine is available worldwide and used for various allergic conditions in adults and older children. ...Read more

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Can I take a 180 mg OTC Allegra (fexofenadine) twice a day? Severe allergies (hives and itching), unable to see doctor for another week or so. Need relief.

Can I take a 180 mg OTC Allegra (fexofenadine) twice a day? Severe allergies (hives and itching), unable to see doctor for another week or so. Need relief.

Don't wait 4 a week: please see an allergist/your doctor sooner, two tablets of allegra (fexofenadine) 180 is already over precsribed for OTC strength, you need to be evaluated and prescribed prescription strength meds, goodluck ...Read more

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19mo old given Decadron (dexamethasone) 3 day in ER for amox allergy. Hives return in extreme next day. Prescibed prednisdone 3 oral doses. We are on day 7 of hives can I just continue w/benedrayl vs more steroids?

Keep connected: Allergic reactions to penicillin type drugs can be dangerous. You should be in daily contact with your doctor. Especially if the interventions don't seem to be doing anything. These reactions can progress to anaphylaxis, angioneurotic edema and even stevens-johnson syndrome. The high dose steroids should be helping. As a doctor i might not be able to sleep knowing your 19 mo old is not better. ...Read more

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I got tibia fracture so I began to take alfacalcidol .25 mcg( plus sunlight)for one month then increased dose to .5 mcg to 13 days then I got Allergy, hives, itching so I want to stop alfacacidol taking, how can I do that in right way?

I got tibia fracture so I began to take alfacalcidol .25 mcg( plus sunlight)for one month then increased dose to .5 mcg to 13 days then I got Allergy, hives, itching so I want to stop alfacacidol taking, how can I do that in right way?

You can discontinue.: It would be very unusual to have an allergic reaction to a vitamin D supplement, so I'm not sure stopping it will fix your problem. However, it is safe to discontinue vitamin D supplementation immediately without weaning to smaller doses first. ...Read more

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I have contact allergies (instant hives) that may or may be caused partly by latex. Is there a test for latex algy & is it safe?

I have contact allergies (instant hives) that may or may be caused partly by latex. Is there a test for latex algy & is it safe?

Yes: Latex allergy may either be allergy antibody mediated or a contact dermamtitis. There are test that supplement the doc history and physical to arrive at the correct diagnosis. ...Read more

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When is a reaction called anaphylaxis? I had med allergy including hives, flushing, rash, but nothing else. Was that anaphylaxis and do I call it that

When is a reaction called anaphylaxis? I had med allergy including hives, flushing, rash, but nothing else. Was that anaphylaxis and do I call it that

Anaphylaxis: Anaphylaxis=when your health suddenly changes-minutes to hours after a food, medication, allergen exposure, insect sting-such that you experience one or several of the following: swelling, hives, nausea, vomiting, flushing, difficulty breathing, lightheadedness, fullness in the throat, fast heart rate. It sounds as though you had a mild systemic reaction pls get evaluated for drug allergy. ...Read more

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Dr. John Landi
3 doctors shared insights

Hives (Definition)

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