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Doctor insights on: Amoxicillin Hives Children

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I'm on Amoxicillin 500 mg and after the 1st dose my skin got itchy and had a few hives pop up, both stopped within 3hrs, should I be worried?

I'm on Amoxicillin 500 mg and after the 1st dose my skin got itchy and had a few hives pop up, both stopped within 3hrs, should I be worried?

Yes. This most: Likely represents an allergic reaction to the medication. Contact your health care provider and explain your situation. He/she should prescribe an alternative medication. Do not take another Amoxicillin. ...Read more

Amoxicillin (Definition)

Amoxicillin is in the penicillin class of antibiotics. All penicillins are distinguished by the presence of a beta-lactam ring, and are known to kill bacteria by inhibiting synthesis (production) ...Read more


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Got hives from amoxicillin allergy - do I need to do anything?

Got hives from amoxicillin allergy - do I need to do anything?

Tell your doctor: Drug reactions such as hives may represent an allergic reaction to a medication, or sometimes a cross reaction to a virus. In any case, you should discuss this with your health care provider to add this medication to your list of potential allergies. ...Read more

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I've been taking amoxicillin for a week now and woke up with itching red hives all over my entire body. Its spreading and itches bad. What to do?

I've been taking amoxicillin for a week now and woke up with itching red hives all over my entire body. Its spreading and itches bad. What to do?

Amox: Stop the medication, take any oral antihistamine, call your doctor to refer you to an allergist a let your treating physician know you had to stop the antibiotic. ...Read more

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I have had a previous reaction (hives) to ceclor. I was recently prescribed amoxicillin and had a severe reaction after 5 days. Is this a rare event?

I have had a previous reaction (hives) to ceclor. I was recently prescribed amoxicillin and had a severe reaction after 5 days. Is this a rare event?

No: You are obviously allergic to penicillin. Penicillins and cephalosporins are related and if you are allergic to one you are risk of being allergic to both. It is very important that you don't take medicines of either group in the future and may consider a medalert bracelet.

It isn't that rare. ...Read more

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My son was given amoxicillin had hive reaction to it. He was switched to cefdinir. He continues with hives. Does this mean he's also allergic to this?

My son was given amoxicillin had hive reaction to it. He was switched to cefdinir. He continues with hives. Does this mean he's also allergic to this?

MGt: The allergic reaction to Amoxicillin can still be the cause of this rash, but a new drug allergy is also possible. He should be treated with an antihistamine. Is he experiencing any respiratory problems? If so, please see the ED right away. It is important to contact your PCP. ...Read more

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My nephews doc said he has infused hives but I cannot find an explanation to describe them. They look like measels reaction to amoxicillin has all vac?

My nephews doc said he has infused hives but I cannot find an explanation to describe them. They look like measels reaction to amoxicillin has all vac?

Amoxicillin given to: A child or adolescent who has a sore throat ; fever caused by infectious mononucleosis causes a very " measly-looking" (morbilliform) rash about 100% of the time, to the point that it's pretty much diagnostic of " mono". Many drugs can cause a morbilliform rash. For further information ; photos, see http://dermnetnz. Mobify. Me/reactions/morbilliform. Html. I've not heard of "infused hives". ...Read more

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Is it possible to have an allergic reaction to amoxicillin after using it several times previously? I'm on day 4 of 875mg/2x daily and today I am breaking out in hives. What should I do?

Is it possible to have an allergic reaction to amoxicillin after using it several times previously? I'm on day 4 of 875mg/2x daily and today I am breaking out in hives. What should I do?

Medicine allergies: Yes. The thing to understand about allergic reactions is that the body generally has to have had prior exposure before an allergic response. It is actually rare to have a true allergy to something with the first exposure. You should stop the medicine and notify your physician to get a different antibiotic and document the allergy. ...Read more

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Anyone know what is a treatment for itchy hives after using amoxicillin?

Anyone know what is a treatment for itchy hives after using amoxicillin?

Amoxicillin allergy: If hives occur soon after taking amoxicillin, it suggests an allergy to amoxicillin. The best treatment is stopping the medicine and taking an antihistamine for the itching until it clears. Consider a visit to an allergist if you are not sure about the cause. ...Read more

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Hives after taking augmentin (amoxicillin and clavulanate). What is wrong?

Hives after taking augmentin (amoxicillin and clavulanate). What is wrong?

You may have an: Allergy. Please let your doctor know right away. Your doctor will most likely tell you to stop the Augmentin (amoxicillin and clavulanate) asap and may start you on another medication. ...Read more

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I have hives after taking augmentin (amoxicillin and clavulanate). What should I do to treat?

I have hives after taking augmentin (amoxicillin and clavulanate). What should I do to treat?

Antihistamines: Looks like you are allergic to one of the components of augmentin. Most likely the penicillin group of drugs, but even could be the clavulenic acid too. You need to tell future doctors, nurses and facilities, and carry a card or bracelet with this info-allergic to Augmentin. Treatment is antihistamines such as Benadryl, (diphenhydramine) prednisone for severe cases. ...Read more

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Recently prescribed Zantac (ranitidine) and Zyrtec for hives on my face from amoxicillin. How often should I take and how soon see results?

Recently prescribed Zantac (ranitidine) and Zyrtec for hives on my face from amoxicillin. How often should I take and how soon see results?

? Amoxicillin allerg: Most important is stopping the offending drug, and reporting this to the prescribing doctor, zyrtec (cetirizine) can be taken to control symptoms of allergies and avert complications, for how long, still depends on clinical evaluation, kindly see your doctor ...Read more

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Can amox-clav cause small amount of hives? And should I be worried? I've taken amoxicillin before with no reaction. I'm already allergic to levaquin (levofloxacin).

Can amox-clav cause small amount of hives? And should I be worried? I've taken amoxicillin before with no reaction. I'm already allergic to levaquin (levofloxacin).

Hives: Any medication can cause hives. If you think the medicine is the cause of the hive it should be stopped immediately. Allergic reactions happen on subsequent exposures to a medication and not usually on the first exposure. Stop the medicine, take antihistamines. Report the reaction to your doctor. Seek immediate care for shortness of breath, facial swell, trouble swallowing. ...Read more

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Itchy hives from amoxicillin allergy - do I need to do anything or just take claritin (loratadine)?

Itchy hives from amoxicillin allergy - do I need to do anything or just take claritin (loratadine)?

Depends on severity: Claritin (loratadine) or zyrtec will help with the itching; a more severe rash may require treatment with prednisone. In most cases, the rash simply goes away within a few days of stopping the antibiotic. Treatment for the rash simply depends on how badly it bothers you. At any rate, you need to stop the antibiotic and notify your doctor if you get a rash while taking it. ...Read more

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My daughter was put in Amoxicillin for 10 days for an ear infectio, she started getting skin rashes kind of like hives that would appear and go away after 10 minutes. They are now appearing more frequently, she doesn't really complain about them but her l

My daughter was put in Amoxicillin for 10 days for an ear infectio, she started getting skin rashes kind of like hives that would appear and go away after 10 minutes. They are now appearing more frequently, she doesn't really complain about them but her l

Hives: Illness or allergic reactions can both cause rashes in children. Since she is on amoxicillin, it very likely is an allergic reaction to the medication. I would stop the medication and give her benedryl. You should contact your daughter's pediatrician to see if they want to change medications or want to see her first. ...Read more

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Will strawberry flavored amoxicillin cause hives in a breastfed baby with a strawberry allergy? He has taken bubble gum one 2 times before no issue

Will strawberry flavored amoxicillin cause hives in a breastfed baby with a strawberry allergy? He has taken bubble gum one 2 times before no issue

Can Be Either:: May be the baby is developing Amoxicillin allergy, or possibly strawberry related. Remember, somebody has to be exposed to an allergen initially to react to it on further exposure. With subsequent exposure, the allergic reaction becomes stronger and severe to become life threatening. Be careful next time, talk to baby's doctor. ...Read more

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2 yr old had amoxicillin reaction, hives and itchy puffy rash. Doctor perscribed omnicef (cefdinir) in its place. Is this a safe alternative for my daughter?

2 yr old had amoxicillin reaction, hives and itchy puffy rash. Doctor perscribed omnicef (cefdinir) in its place. Is this a safe alternative for my daughter?

Probably: Cross reactivity can occur between penicillins and cephalosporins so use this medication cautiously and consider an alternative if appropriate. ...Read more

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I'm on albuterol (nebulizer) and augmentin (amoxicillin and clavulanate) for upper respiratory junk! Which is morelikely to be causing my increasing clusters of migrating hives?

I'm on albuterol (nebulizer) and augmentin (amoxicillin and clavulanate) for upper respiratory junk! Which is morelikely to be causing my increasing clusters of migrating hives?

Hives: Eruptions of this nature may signify an acute hypersensitivity propensity which could become life-threatening. Although suspect the Augmentin (amoxicillin and clavulanate) is the more likely culprit, would see the doctor who prescribed these asap and do not take any more of either until you see them. ...Read more

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My 13month old broke out into hives a day after 1yr check up from shots, she also had last dosage of amoxicillin from ear infection. No fever?

My 13month old broke out into hives a day after 1yr check up from shots, she also had last dosage of amoxicillin from ear infection. No fever?

Possible Amox rxn: Hives would be unlikely from the usual 1 year shots. It is more likely from the Amoxicillin. A reaction can occur even at the end of the course or once finished. You should review other possible new exposures and discuss this all with your child's doctor. Of course, if there is any difficulty breathing or swallowing with the hives, you should take your child to the emergency room ASAP. ...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.

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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Diagnosed w/strep throat, took amoxicillin for 2 days, dvlp'd hives on face feet hands from penicillin reactions, how to make hives go away fast?

Diagnosed w/strep throat, took amoxicillin for 2 days, dvlp'd hives on face feet hands from penicillin reactions, how to make hives go away fast?

Try otc: Benadryl (diphenhydramine). Consult with your doctor, because you might need stronger meds, such as steroids. You also need more antibiotics in order to complete treatment of strep throat. ...Read more

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I am taking amoxicillin 500mg for strep throat, my doctor prescribed prednisone as well. A week into my medication I broke into hives. Went to the doc?

Drug allergy: It is likely that you have become allergic to amoxicillin and need to stop it. Consult with doctor to find out whether you need a substitute. It is likely that you are allergic to penicillin as well and should consider consulting an allergist to confirm after you have recovered. Don't understand why prednisone was Rxd. ...Read more

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14 mnth baby - rash, hives, some swelling after amoxicillin. Gave 2 doses prednisone at night, & benadryl (diphenhydramine). Today, swelling in feet, ear, eye. Normal?

14 mnth baby - rash, hives, some swelling after amoxicillin. Gave 2 doses prednisone at night, & benadryl (diphenhydramine). Today, swelling in feet, ear, eye. Normal?

Ear infection?: Most toddlers ear and upper respiratory infections are viral, and will resolve on their own by treating the symptoms-humidifier, saline spray...Vs having to deal with the side effects of an antibiotic allergy. Especially when the abx don't help at all. After two doses of pred and benadryl, (diphenhydramine) and there is still swelling. Back to the doc with you! Might need to go to allergist after this is all over. ...Read more

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3-year old was on amoxicillin and clavulanate after a sore throat. She developed hives & swollen joints after10 days of antibiotics. What could it be?

This is most likely: An allergic reaction to the Augmentin (amox/clavulanate) that he was on. This is not uncommon and often occurs at the end of the treatment, or even once it's finished. You should also think about any other new exposures as possible causes. Viral illnesses can also cause this. You should definitely have his doctor check him and treat if indicated (sometimes antihistamine or steroid is used). ...Read more

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Allergic reaction our 8 year old daughter was placed on amoxicillin antibiotic by one of her doctors for 10 days for throat infection/fever. On or about the 10th day; she woke up with hives, left eye swollen shut, red marks through out her body. We took

Allergic reaction our 8 year old daughter was placed on amoxicillin antibiotic by one of her doctors for 10 days for throat infection/fever. On or about the 10th day; she woke up with hives, left eye swollen shut, red marks through out her body. We took

Here are some...: At doubting possible drug-related allergy, stop such drug, report the suspicion to the prescribing doctor, and go to be evaluated if the Rx for the intended illness is adequate. ...Read more

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Can I get mono twice? I am having a hive reaction in my feet after being on amoxicillin for a week. I have already had mono once.

Drug rash: As you seem to know, amoxicillin often causes a rash in people who have mononucleosis. However, it also can cause an allergic rash without mono -- and an itchy rash (hives) usually means a true drug allergy. Stop the amoxicillin and contact the doctor who prescribed it. Good luck! ...Read more

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I was put on amoxicillin for a tooth abscess. I broke out in hive; stopped taking the med, but still have the bumps. How long until my skin clears?

I was put on amoxicillin for a tooth abscess. I broke out in hive; stopped taking the med, but still have the bumps. How long until my skin clears?

Call dentist: You should take benedryl and this will help, the hives clear up quickly. The time will depend on how serious your allergic reaction is. Call the dentist that is treating your tooth and let them know what happened. It is still important to treat your infection. ...Read more

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Son was diagnosed with strep throat. Hive amoxicillin. He weighs 25lbs. And I have to give him 500mg twice a day. Too much?

Son was diagnosed with strep throat. Hive amoxicillin. He weighs 25lbs. And I have to give him 500mg twice a day. Too much?

Yes, it is: It is not prudent to treat your own son unless you are a physician. If you have the results that are positive for strep, at least call or visit your pediatrician.
Good luck. ...Read more

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Four year old is on amoxicillian and I'm notices hives. It's the weekend and a holiday tomorrow. Is this a side effect and what should I do? Thanks!

Drug Related Rash?: Yes if a child develops at rash on amoxacillin or any drug you should stop that drug and consult the doctors that prescribed it to see if another antibiotic is necessary. The most important question is what kind of infection is being treated with the amoxacillin? Does it the child need another antibiotic? Without more knowing the whole story these questions cannot be answered. Hope this helps. ...Read more

Dr. John Landi
3 Doctors shared insights

Hives (Definition)

An outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). They can vary in size, are itchy, can burn, and can last for up to ...Read more


Dr. Philip Miller
1,141 Doctors shared insights

Amoxil (Definition)

Amoxil is a third generation penicillin which is a kind of penincillin type drug (anti-bacterial ...Read more