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Doctor insights on: Cross Reacting Antibiotic Allergies

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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. John Chiu
2,390 doctors shared insights

Allergies (Definition)

Essentially allergies occur when your immune system goes crazy and decides to has to fight against things it should be ignoring. The immune system of people without allergies simply ignores the pollen in the air or the dander on their cat while an allergic person's immune system creates cells to fight against the pollen or dander. The allergic reaction causes the ...Read more


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What causes an antibiotic allergy?

What causes an antibiotic allergy?

Immune activation: The body recognizes foreign substances as invaders at time and will immunologically react against them. Antibiotics, especially in certain categories, will unite with bodily chemicals and become more likely to generate an immune response. When this happens, an allergy sets up. This would only be annoying except the reaction can be extreme and even shut down the lungs. ...Read more

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How do I know if I should be concerned about a possible antibiotic allergy?

How do I know if I should be concerned about a possible antibiotic allergy?

Antbiotic allergy: After cessation of the antibiotic the reaction usually subsides. Occasionally medication is required for a severe reaction. You may require a different antibiotic to treat the infection. ...Read more

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What increases my risk of getting an antibiotic allergy?

What increases my risk of getting an antibiotic allergy?

Exposure = Risk: Inappropriate/excessive use of antibiotics has multiple potentially negative effects one of which is the increased risk of sensitization, allergy to the medication. ...Read more

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How long would it take for ciproflaxin antibiotic allergy to take place?

How long would it take for ciproflaxin antibiotic allergy to take place?

It varies.: It can occur within seconds of swallowing the first dose, to hours after the 'umpteenth' time someone takes it. ...Read more

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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

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Can you test for antibiotic allergies?

Yes.: Yes, however it is somewhat limited. The only fda approved antibiotic that we can skin test for is penicillin. It is tested in small amounts by scratch testing and then small amounts are injected, in increasing doses. Finally if these are negative a small oral dose is given. It is important to test for possible pencillin allergy as this is still an effective, inexpensive antibiotic. ...Read more

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Antibiotic allergy or something else, if your rash comes 2 days after your last dose?

Antibiotic allergy or something else, if your rash comes 2 days after your last dose?

Delayed reaction: Some allergies may be of delayed onset. Also it's possible that another medication has combined with the first own to cause the symptoms. Last, sun exposure may cause skin changes while taking certain medications (photophobia). ...Read more

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Is there some sort of cure or treatment for antibiotic allergies?

Is there some sort of cure or treatment for antibiotic allergies?

Short term only: Short term desensitization to antibiotics is a common procedure, but the tolerance is short-lived. ...Read more

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Treating a UTI but I have an antibiotic allergy to sulfa? What's another good antibiotic?

Ciprofloxacin: Ciprofloxacin and Macrobid are other good choices. It is best to have your physician decide since he knows your full history. ...Read more

Dr. John Leander Po
1,118 doctors shared insights

Antibiotic (Definition)

An antibiotic is a medicine that slows, stops, or kills germs. The germs are usually bacteria causing an infection in a person, so the person uses antibiotics to help his body get ...Read more