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Doctor insights on: What To Do If Your Child Gets An Allergic Reaction To An Antibiotic

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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

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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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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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 many benadryl (diphenhydramine) is the recommended dose for an adult with an allergic reaction to an antibiotic?

How many benadryl (diphenhydramine) is the recommended dose for an adult with an allergic reaction to an antibiotic?

Label explains: I'd first advise calling your doctor who depending upon the SEVERITY of your reaction may prefer you be seen in the ER. Otherwise, if symptoms are not severe and they've been present for a few hours or so I would simply follow label instructions on the bottle or box of tablets. Careful not to drive after taking them. More questions? www.healthtap.com/drsaghafi Use Key Code: PDXFNR for appointment ...Read more

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I have an allergic reaction to an antibiotic and I have water blisters everywhere. What I can do for comfort?

I have an allergic reaction to an antibiotic and I have water blisters everywhere. What I can do for comfort?

Benadryl (diphenhydramine): Take 25-50mg of benadryl, (diphenhydramine) and stop the offending antibiotic. See your physician as soon as possible to get an alternate agent, and to let them record your allergy. ...Read more

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I have a rash all over my body from an allergic reaction to an antibiotic I was taking, can I still lay in a tanning bed?

I have a rash all over my body from an allergic reaction to an antibiotic I was taking, can I still lay in a tanning bed?

Take a break!: I would not advise it at this time as your body is in the midst of a battle against the antibiotic. Your immune system is on high alert and the UV lights may cause the rash to increase. Secondly, much as our culture loves tan skin as a sign of good health it's an incredible health hazard - leads to premature skin aging, wrinkles and sometimes cancer. http://www.cdc.gov/cancer/skin/basic_info/indoor_tanning.htm ...Read more

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While going through an allergic reaction to an antibiotic I was having stinging nerve pain in fingers and toes now all over body can I have MS now ?

While going through an allergic reaction to an antibiotic I was having stinging nerve pain in fingers and toes now all over body can I have MS now



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Criteria for MS: Hi JeriS, Typically symptoms related to MS are on one side of the body but can be both sides as well occasionally. The symptoms typically go away followed by a period with no symptoms followed by returning of symptoms perhaps elsewhere in the body. If this is the scenario you are experiencing then you may need to consult with a Neurologist who can guide you in the right direction. Best of luck ...Read more

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Is it possible to develop an allergic reaction to an antibiotic while you're taking it? I'm on my second week of amoxicillin and this morning woke up with red bumps all over. I break out in hives with penicillin and sudafed which is why i ask. Thanks.

Amoxicillin : Amoxicillin is very closely related to penicillin. People with a true penicillin allergy like you (causing hives) should not take amoxicillin. I would suggest stopping the medication and calling your doctor right away to find out what to do next. You may need medication to stop the allergic reaction and perhaps a different antibiotic, depending on the reason it was prescribed. People have been known to show allergic symptoms after taking antibiotics for several days and even if they have taken the same antibiotic before and have not had problems. I hope this answers your question. Thanks! ...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

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. 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