Health Tips

Amoxicillin allergy & Side Effects

Are you concerned that you or your loved one has an Amoxicillin allergic reaction?

Amoxicillin is a penicillin antibiotic used to treat bacterial infections including:

  • Skin, Nose, Skin, Throats, ear.
  • Anthrax, Bronchitis. Pneumonia.
  • Pharyngitis, Lyme disease
  • Urinary tract., A dental abscess.

Though it can be highly effective in treating bacterial infections. It also comes with a list of potential side effects.

  • What kinds of side effects of amoxicillin allergy and amoxicillin allergic symptoms should you look out for? 
  • What is an amoxicillin allergy rash?

Here I mentioned below what you need to know about Amoxicillin allergy.

Side Effects of Amoxicillin allergy Are –

If you are experiencing any of the above symptoms after taking amoxicillin. You likely do not have amoxicillin allergy. Speak up to your doctor to double-check, but it likely nothing major to be concerned about.

symptoms of Amoxicillin allergy:

If you don’t have an amoxicillin allergic reactions, you may experience the following symptoms:

  • Rash, Itching & Hives
  • Shortness of breath
  • Swelling of lips, face & tongue.

Mild amoxicillin allergic reaction symptoms typically clear up on their own but speak to the doctor if they do not. If you experience shortness of breath or swelling of lips, face, or tongue. You must seek immediate medical attention, as this could be life-threatening reactions.

Amoxicillin allergy rash:

While most antibiotics of risk of causing a rash, amoxicillin allergy rash is more likely than other antibiotics to cause a rash. Skin rashes when taking amoxicillin can be common especially in children.

Sometimes it’s hard to tell that if the rash is because of allergy or not.

There are two types of rashes that can be caused by amoxicillin:

1.) Hives are raised itchy.

2.) Maculopapular rash.

What to do after being diagnosed?

True allergy can become worse over time, so if you experience an allergic reaction to amoxicillin, you should let you, doctor, to know about it.

Tell your doctor if you experienced side effects of amoxicillin as well. Together, you can decide on a paper solution to your amoxicillin allergy or sensitivity to amoxicillin.

Mechanism of Action

  • Amoxicillin inhibits the final transpeptidation step of peptidoglycan synthesis in the bacterial cell wall by binding to one or more of the penicillin-binding proteins (PBPs),
  • Thus inhibiting cell wall biosynthesis resulting in bacterial lysis.


  • Pregnancy
  • Lactation
  • Infectious mononucleosis
  • Renal and hepatic disease
  • Excreted in breast milk
  • Use caution hypersensitivity

Amoxicillin interaction

  • May reduce the efficacy of OC. May increase the effect of anticoagulants.
  • Increases risk of allergic reactions w/ allopurinol.
  • Increases and prolonged blood levels w/ probenecid.
  • Chloramphenicol, macrolides, sulfonamides, and tetracyclines may interfere w/ the bactericidal effect of amoxicillin.


If you have an Amoxicillin allergy reaction, the best prevention is to avoid the drug.

The steps that you can take to prevent amoxicillin allergy are:
  • Inform health care worker:

You have to be sure that your amoxicillin allergy or other antibiotics allergy is clearly identified in your medical records.

Inform other health care providers, such as a dentist or other medical professions.

  • Wear a bracelet:

wear a medical alert of an amoxicillin allergy bracelet that identifies your drug allergies. This information can ensure the proper treatment in case of an emergency.

  • Carry emergy epinephrine:

If your allergy caused anaphylaxis or other severe reactions. Your doctor will likely to prescribe a self-injecting syringe and needle device ( epinephrine auto-injector ).


  • Amoxicillin allergies are an abnormal reaction of your immune system to an antibiotics drug called amoxicillin.
  • It is prescribed as treating various bacterial infections like pharyngitis, acute otitis media and many more. Common amoxicillin allergy is discussed above.
  • Therefore, an appropriate diagnosis is needed when an amoxicillin allergy is suspected to ensure the best treatment option in the future.
  • Other antibiotics, particularly those with chemical properties similar to amoxicillin, also can result in allergy reactions.


World of Medical Saviours (WOMS) is a website formed by a group of medicos who are embarking to provide facts, tips and knowledge related to health and lifestyle. This website proves to be a great platform for the medical enthusiast and also for those medicos searching to outgrowth their knowledge about the medical field.

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