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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. Chad Levitt
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

Dr. John Chiu
2,479 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