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Doctor insights on: Allergic Reaction Symptoms To Antibiotics

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How long should an allergic reaction symptom to an antibiotic last for?

How long should an allergic reaction symptom to an antibiotic last for?

Antibiotic allergy: Antibiotic allergies can clear up in a day or last up to six months. Fortunately, most resolve relatively quickly, over a few days. We do not yet know why some persist for a long time and require strong medications like oral steroids (e.g. Prednisone) in order to settle down. ...Read more

Dr. Joseph Woods
1 doctor shared a insight

Computed Tomography (Definition)

Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more


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What are symptoms of allergic reaction to z-pac antibiotic weeks after taking the medication?

What are symptoms of allergic reaction to z-pac antibiotic weeks after taking the medication?

No: An allergic reaction is based on the bodies cells releasing histamine. This happens when the antibiotic is in in contact w tissues or in your bloodstream. If you had an allergic reaction 2 wks after taking the antibiotic, look for another offending antigen! ...Read more

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What does an allergic reaction to antibiotics look like?

What does an allergic reaction to antibiotics look like?

Depends: It depends on the nature of the immune response. Allergic antibody (IgE) mediated reactions occur rapidly after ingestion and can involve hives, skin swelling, wheezing, shortness of breath, nausea/vomitting, diarrhea, dizziness, confusion, palpitations, loss of consciousness and even death. A delayed reaction can occur after days on the medicine and would have different constellation of symptom ...Read more

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How typical is an allergic reaction to the antibiotic keflux?

How typical is an allergic reaction to the antibiotic keflux?

Atypical: This medication is safe. A small percentage of people develop allergy, which can be an immediate allergic reaction to Keflex alone, or to the family of antibiotics related to Keflex. Sometimes, particularly in cases of mononucleosis, a rash that is confused with allergy develops after antibiotics are taken. It is best to discuss any symptoms with a physician well-practiced in diagnosing allergy ...Read more

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How long would it take for an allergic reaction to occur to antibiotics?

How long would it take for an allergic reaction to occur to antibiotics?

Immed or 7-10 days: Paitents may exhibit immediate or delayed type hypersensitivity which can range from immediate symptoms to those delayed by 10 days. ...Read more

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What to do for allergic reaction to antibiotic ? Finished course. Just wait.

What to do for allergic reaction to antibiotic ?  Finished course. Just wait.

Antihistamine: A short course of antihistamines like Benadryl (diphenhydramine) will help. It is advisable to have your doctor classify the allergic reaction and document in your medical record the type of antibiotic which caused the reaction. Please, always follow directions listed on over the counter meds and better yet double check with a pharmacist. ...Read more

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How long does it take to recover from a severe allergic reaction to antibiotics?

How long does it take to recover from a severe allergic reaction to antibiotics?

Depends: on the reaction, which can range from some rash to full anaphylactic shock to other complications, first step is to stop the medicine, at times it might take weeks for the rash to go away with certain antibiotics, just keep away from direct sunlight as much as you can while you have the rash, follow up with your pcp/allergist, goodluck ...Read more

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Can someone get an allergic reaction to an antibiotic after finishing the course?

Can someone get an allergic reaction to an antibiotic after finishing the course?

Yes: Yes, you can get the allergic reaction afterwards. Some physicians refer to this as delayed allergic reaction. ...Read more

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Is it possible to have an allergic reaction after finishing a round of antibiotics?

Is it possible to have an allergic reaction after finishing a round of antibiotics?

Allegy immed/delayed: Drug allergic reactions often occur after the first few dosed, but can be delayed to later in the course or even after the last dose is taken. Usually the later reactions are less severe, but can on occasion also be life threatening (ie stevens johnson syndrome). ...Read more

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I am having an allergic reaction to an antibiotic, what would be my best course of action?

I am having an allergic reaction to an antibiotic, what would be my best course of action?

Stop the medication: Call your prescriber as soon as possible and ask your prescriber advice. If you feel your mouth and throat getting swollen and having trouble to breath have someone to take you to ER. ...Read more

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Is it possible to develop an allergic reaction to a drug/antibiotic that you've never had an allergic reaction to in the past?

Is it possible to develop an allergic reaction to a drug/antibiotic that you've never had an allergic reaction to in the past?

Yes...: Developing allergic reactions to some medications esp. Antibiotics would require prior exposure to the medicine. The allergies could be idiosyncratic meaning that it is time and dose independent. ...Read more

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How to treat an allergic reaction to antibiotic?

How to treat an allergic reaction to antibiotic?

Varies: Stop antibiotic and take Benadryl (diphenhydramine) for a mild reaction like skin rash. With more serious symptoms like trouble breathing - go to er immediately as you may need more intensive treatment! ...Read more

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I am having allergic reaction to penicillin antibiotic what must i do?

I am having allergic reaction to penicillin antibiotic what must i do?

Penicillin allergy: Penicillin allergic reaction could be a potentially life threatening problem. Go immediately to your nearest emergency room for urgent assessment and treatment. Do not wait. ...Read more

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How can I avoid another allergic reaction to an antibiotic medicine if allergic to penicillin?

How can I avoid another allergic reaction to an antibiotic medicine if allergic to penicillin?

Avoidance: If one is allergic to penicillin then avoidance of penicillin like medications is a requirement. Other classes of antibiotics should be fine but because an individual has one drug allergy they may be at risk for reactions to other classes of drugs. One should also be very clear that moving forward that antibiotics are needed. ...Read more

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How can you tell if your baby is allergic to antibiotics? Is it possible to get an allergic reaction after 7 days of using it?

How can you tell if your baby is allergic to antibiotics? Is it possible to get an allergic reaction after 7 days of using it?

History & exam fit: Allergic reaction to meds usually involves typical itchy rash (measles like or hives). From first exposure to onset of reaction usually 7-10 days and on second exposure within minutes to hours. Get baby to experienced allergist who can examine baby and get detailed history. Except for penicillin there is no reliable skin testing for meds so history, exam are key. Take clear close-up pics of rash. ...Read more

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When taking a antibiotic. How long does it take to see an allergic reaction (if you are going to get one) after taking the pill?

Generally: This occurs with in a few hours or minutes. It can be itching, rash over whole body or more life threatening. You can get tested to see what if anything you are allergic to if you are concerned. ...Read more

Dr. John Chiu
2,731 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


Dr. John Leander Po
1,117 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