Augmentin is a beta-lactam antibiotic routinely prescribed for bacterial illnesses. Augmentin is made up of Amoxicillin, which inhibits bacterial growth, and clavulanic acid, which prevents resistance.

Augmentin works against many bacterial strains due to its amoxicillin and clavulanic acid combination. This combination makes it highly effective in treating bacteria resistant to other antibiotics.

Augmentin comes in pills, chewable tablets, and oral suspensions for adults and children. Formulation and infection severity determine dosage strengths.

Like any antibiotic, Augmentin should only be taken when prescribed by a doctor. Complete the prescribed treatment to eliminate the illness and prevent antibiotic resistance.

Augmentin treats many bacterial illnesses, including:

  • Pneumonia, bronchitis, and sinusitis
  • UTIs
  • Skin/soft tissue infections
  • Infections in ears
  • Bacteria sinusitis

How Does Augmentin Work?

Amoxicillin and clavulanic acid combine synergistically to make Augmentin work.

Inhibition of Bacterial Cell Wall Production

Amoxicillin, a penicillin antibiotic, inhibits transpeptidases to prevent bacterial cell wall production. Bacterial cell walls need these enzymes to cross-link peptidoglycan strands for structural stability. Amoxicillin weakens bacterial cell walls, causing cell lysis and death.

Bacterial Resistance Protection

Beta-lactamase enzymes produced by some bacteria inactivate beta-lactam drugs like penicillins and cephalosporins. Clavulanic acid permanently binds to beta-lactamase enzymes, blocking amoxicillin degradation. This method makes amoxicillin effective against beta-lactamase-producing bacteria that might otherwise be resistant.

Augmentin has a broader antimicrobial spectrum than amoxicillin since it contains clavulanic acid. Due to this synergy, Augmentin works better against a broad spectrum of bacterial infections, including antibiotic-resistant ones.

Augmentin exclusively treats bacterial infections but not infections caused by viruses like the flu.

Warning and Precautions

To ensure safe and effective Augmentin use, consider the following precautions and warnings before starting treatment:

  • Penicillin or Cephalosporin Allergies: Augmentin may cross-react with penicillin and cephalosporin allergies.
  • Medical Issues: Augmentin may impair liver function in those with pre-existing liver problems. Healthcare professionals should monitor closely such patients before administering Augmentin.
  • Maternity: Augmentin should be used during pregnancy only if prescribed by a doctor. Risks and benefits should be considered first.
  • Breastfeeding: Augmentin can enter breast milk and harm a newborn. Augmentin should not be used when nursing without medical advice.
  • Monitoring: Patients with pre-existing liver issues may need regular liver function testing while on prolonged Augmentin medication.
  • Adverse symptoms: Patients should watch for allergies like rash, itching, swelling, or trouble breathing and seek medical assistance.
  • Pediatric Patients: Augmentin formulations for children are available in particular strengths and dosages. Doctors should dose children according to their age and weight.

Side Effects of Augmentin

Augmentin, like any drug, may have adverse effects. Knowing potential side effects and reporting them to a doctor is crucial. Augmentin side effects likely include:

Mild Side Effects

  • Nausea: Stomach pain and want to vomit.
  • Vomiting: Throwing up stomach contents, either spontaneously or due to nausea.
  • Diarrhea: Increased frequency of loose, watery stools with stomach cramping or discomfort is diarrhea.
  • Headache: Mild to severe head pain.
  • Skin Rash: Red, inflamed patches or bumps on the skin that may itch or irritate.

Severe Side Effects

Not everyone will experience these side effects, and their severity and frequency may vary. Augmentin users should immediately seek medical assistance if they encounter any adverse reactions.

Augmentin may induce other side effects in rare circumstances. Patients should ask their doctor about adverse effects and treatment. Pre-existing medical problems and drugs should be disclosed to healthcare practitioners to reduce the risk of adverse drug interactions or complications.

  • Hypersensitivity Reactions: Hypersensitivity, Anaphylaxis, angioedema, and Stevens-Johnson syndrome are rare but dangerous allergic reactions.
  • Hepatotoxicity: Augmentin may infrequently damage the liver or alter liver function tests, especially in people with pre-existing liver disorders.

Augmentin Drug Interactions

Augmentin may interact with medicines, reducing their efficacy or causing side effects. To avoid drug interactions, tell your doctor about all your prescriptions, supplements, and herbal products. Common Augmentin medication interactions:

DrugsType of Interaction
AllopurinolCombining Augmentin with allopurinol, a drug for gout and high uric acid levels, may increase the risk of adverse skin responses.
ProbenecidProbenecid may reduce the body’s ability to eliminate amoxicillin, an active element in Augmentin, resulting in higher amoxicillin levels in the blood and increased side effects.
MethotrexateCombining Augmentin with methotrexate, a medicine used to treat cancer, rheumatoid arthritis, and psoriasis, may raise the risk of toxicity and harmful effects on the bone marrow and gastrointestinal tract.
Blood ThinnersAugmentin may augment the effects of blood thinners like warfarin, increasing the risk of bleeding problems. When using Augmentin with blood thinners, monitor blood clotting measures.
Birth Control DrugsAugmentin may affect the effectiveness of birth control tablets containing estrogen and progestin (such as Yaz). During Augmentin medication, additional contraception may be needed to avoid unplanned pregnancy.
AntibioticsWhen using Augmentin alongside other antibiotics, especially ones with similar mechanisms of action, it may raise the likelihood of antibiotic resistance and impair therapeutic effectiveness. Combination therapy should be used carefully and under medical supervision.


Note that this list of Augmentin medication interactions is not exhaustive. Patients should see their doctor or pharmacist for complete information on potential interactions and management measures. Healthcare providers should evaluate patients’ drug profiles and interactions during Augmentin therapy.

Strength and Dosages of Augmentin

Augmentin has various strengths and formulations to address different patient demographics and illness severity. The patient’s age, infection type, and medical circumstances may affect dosage.

FormulationStrength (amoxicillin/clavulanate)Dosage
Tablets250 mg/125 mg1 tablet every 8 hours
500 mg/125 mg1 tablet every 12 hours
875 mg/125 mg1 tablet every 12 hours
Chewable Tablets125 mg/31.25 mg1 tablet every 8 hours
250 mg/62.5 mg1 tablet every 12 hours
Suspension (Oral)125 mg/31.25 mg per 5 mL5 mL (1 teaspoon) every 8 hours
200 mg/28.5 mg per 5 mL5 mL (1 teaspoon) every 8 hours
250 mg/62.5 mg per 5 mL5 mL (1 teaspoon) every 8 hours
400 mg/57 mg per 5 mL5 mL (1 teaspoon) every 12 hours


Note: Dosages vary by infection type and intensity. A doctor should change the above dosages based on patient variables.

Patients should follow their doctor’s dose directions and finish their medicine even if symptoms improve. Skipping doses or quitting treatment early may cause antibiotic resistance and partial infection eradication.

Chewable or oral solution Augmentin may be better for patients with trouble swallowing tablets. Pediatric patients may need fewer amounts based on age, weight, and condition. Healthcare practitioners should calculate and prescribe the correct dosage.

Cost of Augmentin in America

Augmentin prices in America differ on dosage strength, formulation, quantity recommended, and pharmacy or healthcare provider. Insurance coverage and prescription drug discount programs may also affect patient out-of-pocket costs.

As of 2024, a one-month supply of Augmentin costs $42.34 to $138.32, depending on the pharmacy and area. Patients should check pharmacy rates and look for discounts or savings programs to reduce out-of-pocket costs.

Augmentin Alternatives

Alternative antibiotic therapy depends on the type of infection, the suspected or identified bacterial pathogen, the patient’s medical history and allergies, and local antibiotic resistance patterns. Healthcare providers carefully consider these criteria before choosing the best antibiotic for each patient.

Doctors may recommend different antibiotics depending on the bacterial illness and patient characteristics. Augmentin alternatives include:

  • Amoxicillin: Augmentin contains amoxicillin, a penicillin antibiotic. It is available in tablets, capsules, and oral solutions and treats many bacterial illnesses.
  • Cephalexin: Cephalexin can replace Augmentin for some bacterial infections. It kills several microorganisms and is available orally.
  • Ciprofloxacin: This fluoroquinolone antibiotic can treat penicillin-resistant germs or those who cannot tolerate Augmentin. Oral and intravenous forms are available.

FAQs of Augmentin

Can I take alcohol while on Augmentin?

Alcohol should be avoided while taking antibiotics, including Augmentin, to avoid interactions and adverse effects.

How long should I take Augmentin?

Your doctor will determine the duration of Augmentin therapy based on infection type and severity. Despite improvement, the course must be completed.

How should I handle missing an Augmentin dose?

When you recall, take a missed dosage. If the next dose is close, skip the missing dose and resume the regular schedule.

Can I take Augmentin during pregnancy?

Only a doctor should prescribe Augmentin during pregnancy. Risks and benefits should be weighed before administration.

Is Augmentin safe for breastfeeding mothers?

Augmentin in breast milk can affect nursing babies. Augmentin should not be used when nursing without medical advice.

What are common Augmentin side effects?

Augmentin can cause nausea, vomiting, diarrhea, headache, and rash. Notify your doctor of severe or persistent adverse effects.

Can Augmentin cause allergies?

Augmentin can cause allergic responses, including anaphylaxis. Some effects, like breathing difficulties, edema, or a severe skin rash, require rapid medical assistance.

IMPORTANT NOTE: The information provided here is for educational purposes only and is not intended to serve as medical advice, diagnosis, or treatment recommendations. It should not be taken as an endorsement of any specific medication or treatment. Individual health conditions and responses to treatment can vary greatly; therefore, this information should not be seen as a guarantee of safety, suitability, or effectiveness for any particular individual. Always consult with a healthcare professional for personalized medical advice and before making any decisions regarding your health or treatment plans.

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