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Doctor insights on: Allergic Reaction To Omnicef

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Dr. John Chiu
2,491 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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Everytime take omnicef(cefdinir) feel slight burn in throat ( as soon as swallow the pill).should discontinue?is this an allergic reaction to the pill

Everytime take omnicef(cefdinir) feel slight burn in throat ( as soon as swallow the pill).should discontinue?is this an allergic reaction to the pill

Unlikely: This is not likely to be an allergic reaction, but rather a local irritant effect. However, if you are unsure or there are any other symptoms developing along with this be sure and go and see the doctor who prescribed the Omnicef (cefdinir). ...Read more

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Been treated for uti's which return. usually on omnicef to prevent them when needed. doctors are looking into why this happens (endometrosis, etc). now I have bronchitis like symptoms, fevers, mucus drainage, no allergies, just seasonal and antihistimes d

Been treated for uti's which return. usually on omnicef to prevent them when needed. doctors are looking into why this happens (endometrosis, etc). now I have bronchitis like symptoms, fevers, mucus drainage, no allergies, just seasonal and antihistimes d

Uti's: Recurrent uti can occur after vaginal intercourse,taking baths instead of showers,wearing very tight jeans,or from structural anatomic abnormalities of the urinary tract. A Urologist is best qualified to evaluate and treat you. If bronchitis is not improving a course of appropriate antibiotics should help. ...Read more

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Can I have anaphylaxis reaction to omnicef (cefdinir) days after starting or would it be immediate?

Can I have anaphylaxis reaction to omnicef (cefdinir) days after starting or would it be immediate?

Drug Reactions: Most allergic reactions occur within hours to two weeks after taking the medication and most people react to medications to which they have been exposed in the past. This process is called "sensitization." however, rashes may develop up to six weeks after starting certain types of medications. ...Read more

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Same reaction. Anyone have bad side effects with omnicef (cefdinir) and not zithromax?

Same reaction. Anyone have bad side effects with omnicef (cefdinir) and not zithromax?

Different drugs: Omnicef (cefdinir) is a cephalosporin antibiotic and Azithromycin is in an entirely different class of drugs. There should be no cross reactions allergically. But you do not describe what side-effects to which you are referring. If this answer is not satisfactory, ask again. ...Read more

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I had a shaking reaction to rocephin (ceftriaxone) injection at one time. The doctor prescribed me omnicef for a sinus infection. Should I have any issues?

I had a shaking reaction to rocephin (ceftriaxone) injection at one time. The doctor prescribed me omnicef for a sinus infection.  Should I have any issues?

Not Allergy: Shaking reaction and no other symptoms does not suggest Allergic reaction and it is perfectly alright to take Omnicef Allergic reactions if acute cause serious symptoms like shortness of breath and late signs are rash and itching Shaking reaction is more from anxiety of getting injection and not allergy ...Read more

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Dr. John Chiu
1,005 doctors shared insights

Allergic Reaction (Definition)

Allergic reactions are sensitivities to substances, called allergens, that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the ...Read more


Dr. Amanda Itzkoff
185 doctors shared insights

Cefdinir (Definition)

Cefdinir is a third generation cephalosporin which is a kind of cephalosporin type drug (anti-bacterial ...Read more