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Doctor insights on: How Long Does It Take For A Drug Allergy To Clear

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How long would it take for a ciproflaxin (antibiotic) allergy to take place if you had one?

How long would it take for a ciproflaxin (antibiotic) allergy to take place if you had one?

Immediately !: An allergy and a side effect are not the same. It may take several doses to cause nausea and vomiting . An allergic reaction such as face swelling and shortness of breath takes only one pill to cause your already primed immune system react violently. ...Read more

Dr. Brad Goldenberg
5 doctors shared insights

Drug Allergy (Definition)

A drug allergy occurs when a person is sensitive to a medicine. Signs of allergy can include itching, rashes, breathing problems and even life threatening problems like low blood pressure and anaphylaxis. Hepatitis can occur with severe drug allergies. It is imperative to stop the ...Read more


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How long does it take for a drug allergy to clear?

How long does it take for a drug allergy to clear?

Depends on drug: From immediatly to weeks or months depending on drug the dose and route of administration. ...Read more

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If you have a mild drug allergy, is there a chance the reaction could get worse if you take it again?

If you have a mild drug allergy, is there a chance the reaction could get worse if you take it again?

Yes: In short, yes...Future responses and reactions to medications that have caused allergic reactions in the past are unpredictable. ...Read more

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How can u tell if hives r due to drug allergy or just chronic hives? I get hives after taking pills, but also occasionally on days when i take nothing

How can u tell if hives r due to drug allergy or just chronic hives? I get hives after taking pills, but also occasionally on days when i take nothing

Hives: This is difficult to answer without knowing what pills you are taking, some can linger in your system. Best to see an allergist and sort it all out. ...Read more

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Can you take bactroban (mupirocin) if you have a sulfa drug allergy?

Can you take bactroban (mupirocin) if you have a sulfa drug allergy?

Yes: Bactroban (mupirocin) is a topical medication for treating skin infections. If you have an allergy to sulfa antibiotics, you should not have a problem with bactroban (mupirocin) which is not absorbed into your system and should not cause an allergic reaction in those with a sulfa antibiotic (which is absorbed). ...Read more

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What's a drug allergy like?

What's a drug allergy like?

Much more than U ask: There are 4 different types of medication allergy and also there are side effect reactions. Type 1- allergic type. Hives, itching, sneezing, wheezing and shock are different forms of this allergy.Type 2-complement related angioedema, swelling type 3 is immune complexes. That is clumps of antibodies with the drug which clog small capilaries in kidneys, joints, skin type 4 is cell-contact dernatiti. ...Read more

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Is length of use a drug allergy risk?

Is length of use a drug allergy risk?

No: Not to most medications. Occassionally patients will develop reactions to medications that they have taken long term however this is not the usual course. ...Read more

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What are symptoms of a real drug allergy?

What are symptoms of a real drug allergy?

Rash and anaphylaxis: The most common allergic reaction to a drug is a rash. In severe cases this is accompanied by breathing trouble and could even be life-threatening anaphylaxis. Stomach upset is a common side effect and is not likely to be a true allergy. However, it is still important to let your doctor know this. ...Read more

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Is method of administration a factor in drug allergy?

Is method of administration a factor in drug allergy?

Oral vs iv: In some patients with allergy to drugs, giving orally might not trigger and allergic reacton, while givne intravenously it does. This has been reported with amoxicillin. It appears that concetration is importnat, and in some case, metabolism. Without challenging, it is not easy to predict a reaction in a particlar individual. Safest is always to avoid the drug entirely. ...Read more

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What is the definition or description of: drug allergy?

Reactions to a drug: A drug allergy occurs when a person is sensitive to a medicine. Signs of allergy can include itching, rashes, breathing problems and even life threatening problems like low blood pressure and anaphylaxis. Hepatitis can occur with severe drug allergies. It is imperative to stop the drug causing the allergy. ...Read more

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How can I tell if I have hives or a drug allergy?

How can I tell if I have hives or a drug allergy?

Subtle: hives can occur as part of an allergy syndrome. people with chronic hives or who have an inborn low threshold for hives have difficulty differentiating simple hives from drug allergy. If the drug reaction is IgE-mediated, or occurs via a similar pathway without IgE, then one would expect additional symptoms other than hives (breathing problem, dizzy, nausea, swelling, headache, etc) ...Read more

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Can my unborn child be harmed if I have a drug allergy?

Can my unborn child be harmed if I have a drug allergy?

No: Having a drug allergy is only a problem if you are exposed to the drug. If there is a severe drug allergy during pregnancy there is a potential for a problem. Avoid the drug to which you are allergic. ...Read more

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Is there any use of plasmapheresis in anaphylaxic drug allergy?

Is there any use of plasmapheresis in anaphylaxic drug allergy?

Probably not: Treatment of anaphylaxis from a drug allergy involves stopping the medication and appropriate use of epi, antihistamines and possible steroids. Plasmapheresis does not play a role in management of drug allergy. ...Read more

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How do I overcome a drug allergy?

How do I overcome a drug allergy?

Tricky: Medication reactions can be tricky as the type of reaction can be intolerance vs allergic. Avoidance is the best treatment for a drug allergy and using a suitable alternative. In a life threatening circumstance, desensitization by an allergist in the hospital is an option. Sometimes drug allergy can resolve over time such as penicillin. An allergist can assist in a good long term plan. ...Read more

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How can I overcome a drug allergy?

See an allergist: You will need to see an allergist. They will determine if you are truly allergic. If you are an you need the medication there are protocols that can be used to desensitize you. Most of the time this is not necessary as alternative agents are usually available. ...Read more

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What is the reason for developing drug allergy ?

What is the reason for developing drug allergy ?

Great question!: We don't know "why" people develop drug allergies, as there are many potential causes. Frequent exposure or prolonged use is one trigger - and this is seen with certain types of chemotherapy. Many factors, including genetic risks, other medications, and propensity for allergy probably play a role as well. ...Read more

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If you're allergic to a drug have a drug allergy can you outgrow it as you get older for instance i'm allergic to phenobarbital?

If you're allergic to a drug have a drug allergy can you outgrow it as you get older for instance i'm allergic to phenobarbital?

Maybe: There are some allergies that resolve as you grow older. For instance some people can get improvement in their response to certain medications as they get older, or further away from the initial exposure. This may be due to a calming of the inflammatory response as you age. However, if you were my patient i would not give you a medication that you were allergic to as the risk is too high. ...Read more

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What to do for a drug allergy rash?

What to do for a drug allergy rash?

Rash: Talk to your doctor about stopping the drug felt to be causing the rash. Then treat the symptoms, such as antihistamines for itching. If the symptoms are more serious such as swelling or trouble breathing, definitely see a doctor. ...Read more

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What should I do for drug allergy rash?

What should I do for drug allergy rash?

#1:STOP DRUG FIRST: Stop the drug immediately and consider benadryl (diphenhydramine). Observe for symptoms of airway difficulty: lip or tongue swelling which should prompt you to call 911 if this should occur. Consider a medalert bracelet identifying the allergy or seeking an allergist for desensitization. ...Read more

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Dr. John Chiu
2,586 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