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Amoxicillin

Amoxicillin

Amoxicillin is used to treat bacterial infections such as E. coli infection, pneumonia, gonorrhea, bladder infection, and ear infection. It belongs to a class of antibiotics called penicillins, which work by stopping the multiplication of bacteria. This medicine may also be used to treat other conditions as determined by your doctor.
Category: Anti Biotics
Medically Reviewed by – Alfie Thornton, PharmD
Last Updated on 8 July 2026

What is Amoxicillin used for?

Amoxicillin is used to treat bacterial infections such as E. coli infection, pneumonia, gonorrhea, bladder infection, and ear infection. It belongs to a class of antibiotics called penicillins, which work by stopping the multiplication of bacteria. This medicine may also be used to treat other conditions as determined by your doctor.

What are the side effects of Amoxicillin?

Like other medicines, Amoxicillin can cause some side effects. If they do occur, the side effects of Amoxicillin are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately. It is pertinent to note that side effects of Amoxicillin cannot be anticipated. If any side effects of Amoxicillin develop or change in intensity, the doctor should be informed as soon as possible. Amoxicillin can cause side effects such as nausea, vomiting, headache, stomach pain, dizziness, diarrhea, insomnia, and anxiety. Some of the serious side effects of this drug are liver problems, hives, jaundice, fever, dark urine, seizures, and clay-colored stools. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are taking Amoxicillin.

What is the recommended dosage of Amoxicillin?

The dosage of Amoxicillin prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label. Take Amoxicillin by mouth with a glass of water. This medicine may be taken with food or on an empty stomach.

What if you miss a dose of Amoxicillin?

If your physician has instructed or directed you to take Amoxicillin medication in a regular schedule and you have missed a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

What if you overdose on Amoxicillin?

Any medication taken in excess can have serious consequences. If you suspect an overdose of Amoxicillin, seek medical attention immediately. Some of the overdose symptoms of this drug are diarrhea, confusion, severe skin rash, seizures, nausea, stomach cramps, and vomiting.

What other drugs could interact with Amoxicillin?

  • Chloramphenicol
  • Erythromycin
  • Estrogen
  • Probenecid
  • Tetracycline
It may be noted that drugs other than those listed above may also interact with Amoxicillin. Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Amoxicillin, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions. Amoxicillin can interact with oral contraceptives, certain antibiotics, and sulfa drugs. Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

FAQ's

What does Amoxicillin treat?

Amoxicillin treats many bacterial infections, including those of the ear, throat, chest, urinary tract, and skin. It also helps with dental infections. The antibiotic works by stopping bacteria from growing and spreading, allowing your body to heal faster. Always complete the full course, even if symptoms improve early.

Is Amoxicillin safe in pregnancy?

Yes, amoxicillin is generally safe to use during pregnancy when prescribed by a doctor. It’s often used to treat bacterial infections in expectant mothers. Studies show it doesn’t increase the risk of birth defects. Still, always consult your healthcare provider before starting any antibiotic to ensure it’s right for you.

Can I take Amoxicillin for a tooth infection?

Yes, amoxicillin is often prescribed for tooth or gum infections caused by bacteria. It helps reduce pain, swelling, and infection spread. Dentists may suggest a specific dosage for a few days. Be sure to complete the full course, even if the pain lessens, to prevent the infection from returning.

How long does it take for Amoxicillin to work?

Amoxicillin usually starts working within 1 to 3 days. You might notice less pain and swelling after a few doses. However, it’s important to continue taking it for the full course, as stopping early can cause the infection to come back or make the bacteria resistant to treatment.

Where Can I Buy Amoxicillin Online Over the Counter in UK or Without Prescription?

Amoxicillin is not available over the counter in the UK—it requires a prescription. However, you can buy it online from internationaldrugmart.com after an online consultation. Their licensed healthcare providers can assess your condition and, if appropriate, issue a prescription. This makes it easy and safe to get your medication delivered right to your doorstep without visiting a clinic.

Note

The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. Before using Amoxicillin, tell your doctor if you have a history of any type of allergy, liver or kidney diseases, asthma, and bleeding disorder. Also, inform your doctor if you are pregnant or plan to become pregnant during treatment with this medicine.

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