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Doctor insights on: Symptoms Of Allergic Reaction To Amoxicillin

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Dr. John Chiu
2,648 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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Symptoms of allergic reaction to antihistmine ?

Symptoms of allergic reaction to antihistmine ?

That's curious....: Allergic reactions are when the body's immune system detect something that it recognizes as a foreign substance (ingested, contact through skin, food or medicine, or in the case of auto-immure diseases, it's own cells). One reax is to mobilize cells that secrete anti-histamines to fight the allergic reax. So, allergic relax to antihistamine would be very unusual. Let detective doc sort this out. ...Read more

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Penicillin normal symptoms and allergic reaction symptoms?

Penicillin normal symptoms and allergic reaction symptoms?

Side effects: Side effects include GI upset possible diarrhea and rash. Allergic hives swallowing and breathing difficulties. The latter can be life threatening events and emergent tax needed. ...Read more

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What are the symptoms of an allergic reaction to peanuts?

What are the symptoms of an allergic reaction to peanuts?

Several symptoms: True allergic reactions to peanuts usually occur within a few minutes of ingestion (occasionally after 1-2 hours) and may include hives, shortness of breath, cough, wheezing, throat discomfort, swelling of the lips/tongue, vomiting or diarrhea. ...Read more

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What is risk of reaction if allergic to pcn and taking cephalosporin antibiotic?

What is risk of reaction if allergic to pcn and taking cephalosporin antibiotic?

Cephalosporin rx: Older studies suggested that there was a 5-7% risk of having a reaction to a cephalosporin if you had a history of penicillin allergy. However, there have been recent studies indicating that the newer cephalosporins are structurally different enough that the risk of cross reaction is quite low, even eliminating the need to test for penicillin allergy prior to administering the cephalosporin. ...Read more

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What are the possible symptoms of an allergic reaction to phenyxyethan?

What are the possible symptoms of an allergic reaction to phenyxyethan?

Phenoxyethanol: Do you mean "phenoxyethanol?" according to a warning by the fda of 2008 "phenoxyethanol is a preservative that is primarily used in cosmetics and medications. It also can depress the central nervous system and may cause vomiting and diarrhea, which can lead to dehydration in infants". ...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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What are the symptoms of an allergic reaction to insect bite?

What are the symptoms of an allergic reaction to insect bite?

Depends: If it is mild- just some redness and itching, an antihistamine, such as Benadryl (diphenhydramine) will help. People who get severe reactions- such as difficulty breathing, or swelling of the mouth, tongue, or throat, should carry an epi-pen, which is injectable epinephrine. ...Read more

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Allergic reaction to all cephalosporins possible?

Allergic reaction to all cephalosporins possible?

Yes: Allergy to the entire class of antibiotics called cephalosporins is indeed possible. That allergy would be the common part of the molecule shared by all cephalosporins and penicillins, the beta-lactam ring. ...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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Possible to have an allergic reaction to Ceclor and amoxicillin?

Possible to have an allergic reaction to Ceclor and amoxicillin?

Yes: Allergies to penicillins (including amoxicillin) are more common than allergies to cephalosporins (including ceclor), but you can be allergic to either or both. A small percentage of people who have penicillin allergies are also allergic to cephalosporins. ...Read more

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Can Benadryl (diphenhydramine) help a swelling and hive reaction (itching) allergic reaction to penicillin?

Can Benadryl (diphenhydramine) help a swelling and hive reaction (itching) allergic reaction to penicillin?

Depends: on the reaction, if just hives and itching, yes benadryl (diphenhydramine) can control it in the right dosage, after discontinuing the offending drug, but if more severe symptoms/swelling you need medical attention with the possible addition of epinephrine and probably steroids, ...Read more

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What are signs and symptoms of an allergic reaction to food?

Varies: Immediate reactions to a food can include hives, feelings of throat tightening and itching, shortness of breath, flushing of the skin and overwhelm feeling of doom. This can develop into nausea and vomiting as well as diarrhea. Some foods can cause a delayed skin reaction such as eczema and not always the immediate reaction. As always consult with your doctor get tested and avoid possible foods. ...Read more

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What are the symptoms and signs for an allergic reaction to prawns?

Prawns: The same as with shrimp. It can make hives, a rash or swelling. It may activate asthma or cause an allergic response in the eyes or nose. ...Read more

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When in the course of taking an antibiotic are the severe allergic reactions most likely to occur ? What about mild allergic reactions?

When in the course of taking an antibiotic are the severe allergic reactions most likely to occur ? What about mild allergic reactions?

Variable: Highly variable and depends on the type of reaction. If you are already allergic then the most severe reaction can happen right away. Some reactions can appear after a few doses and some may even occur after completion. There are also non allergic side effects that can occur anytime. ...Read more

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Is doxycycline well tolerated, & is it one of the antiobios more likely to cause allergic reactions? I'm allergic to keflex and nervous to take doxy.

Is doxycycline well tolerated, & is it one of the antiobios more likely to cause allergic reactions? I'm allergic to keflex and nervous to take doxy.

Doxycycline: Doxycycline can sometimes cause stomach upset, and this can potentially limit its use. This side effect is not an allergy, however. People who are allergic to Keflex (generic cephalexin) may need to avoid other so-called beta-lactam antibiotics, which include the penicillins and cephalosporins. An allergy to Keflex would not predispose you to an allergy to Doxycycline as they are not related. ...Read more

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What are signs of an allergic reaction to something?

Several symptoms: Allergic reactions may include any number of symptoms including hives, shortness of breath, cough, wheezing, throat discomfort, swelling of the lips/tongue, vomiting or diarrhea. Milder symptoms include runny nose, congestion, sneeze, or itchy/watery eyes. ...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


Dr. John Chiu
1,048 doctors shared insights

Allergic Reaction (Definition)

A sensitivity to substances called allergens that come into contact with the skin, nose, eyes, respiratory tract, or gastrointestinal tract. They can be breathed into the ...Read more