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# Amoxicillin 400 mg + Clavulanic Acid 57 mg ## Short Description **Amoxicillin 400 mg + Clavulanic Acid 57 mg** is a combination **penicillin-class antibiotic** containing amoxicillin and clavulanic acid (clavulanate). It is commonly supplied as an oral suspension and is used to treat a range of **susceptible bacterial infections**. Amoxicillin kills susceptible bacteria by interfering with bacterial cell-wall formation, while clavulanic acid inhibits certain **beta-lactamase enzymes** that can otherwise break down amoxicillin. > **Important:** This medicine treats bacterial infections and does not work against viral illnesses such as the common cold or influenza. Use only when prescribed by a healthcare professional. --- ## Key Benefits * Helps treat a variety of **susceptible bacterial infections**. * Combines amoxicillin with clavulanic acid to overcome certain beta-lactamase-producing bacteria. * May be used for respiratory, ear, sinus, urinary and skin/soft-tissue infections when clinically appropriate. * Oral suspension can be convenient for children who have difficulty swallowing tablets. * Provides broader antibacterial coverage than amoxicillin alone for selected infections. --- ## Uses / Indications Amoxicillin + clavulanic acid may be prescribed for susceptible bacterial infections such as: ### 1. Ear and Respiratory Infections May be used for selected: * Acute bacterial otitis media * Sinus infections * Lower respiratory tract infections * Certain throat and respiratory infections ### 2. Urinary Tract Infections May be prescribed for certain susceptible **urinary tract infections (UTIs)**. ### 3. Skin and Soft-Tissue Infections It may be used for selected bacterial infections affecting the: * Skin * Soft tissues * Wounds ### 4. Dental Infections It may sometimes be prescribed for selected bacterial dental infections when clinically indicated. ### 5. Other Bacterial Infections Depending on the bacterial organism, infection site and local treatment guidelines, healthcare professionals may prescribe it for other susceptible infections. > Antibiotic selection should be based on the suspected or confirmed organism, infection severity, resistance patterns and patient-specific factors. --- ## How It Works ### Amoxicillin Amoxicillin is a **beta-lactam antibiotic** in the penicillin family. It binds to bacterial **penicillin-binding proteins (PBPs)** and interferes with the formation of the bacterial cell wall. This weakens the cell wall and can cause susceptible bacteria to die. ### Clavulanic Acid Some bacteria produce **beta-lactamase enzymes** that can destroy amoxicillin. Clavulanic acid inhibits many of these beta-lactamase enzymes, helping protect amoxicillin from breakdown. ### Simple Mechanism **Amoxicillin → disrupts bacterial cell-wall synthesis** **Clavulanic acid → inhibits certain beta-lactamase enzymes** **Together → help treat selected beta-lactamase-producing bacterial infections.** --- ## Dosage & Administration > **The dose must be individualized by a healthcare professional. For children, dosing is usually based on body weight and the amoxicillin component.** ### Important Strength Information A formulation labeled **400 mg amoxicillin + 57 mg clavulanic acid per 5 mL** contains: * **Amoxicillin 400 mg/5 mL** * **Clavulanic acid 57 mg/5 mL** This is important when calculating the prescribed volume. ### Children Pediatric dosing depends on: * Body weight * Age * Type of infection * Severity of infection * Kidney function * Local prescribing recommendations The healthcare professional will calculate the appropriate dose based primarily on the **amoxicillin component**. **Do not calculate a child's dose from age alone.** ### Adults and Larger Children The 400 mg/57 mg per 5 mL suspension may sometimes be used when appropriate, but the formulation and dose should be selected by the prescriber. ### How to Take * Shake the suspension **well before each dose**. * Measure the prescribed amount using an oral syringe or supplied measuring device. * Give doses at evenly spaced intervals. * Give with a meal or snack if recommended; taking amoxicillin/clavulanate with food can help reduce stomach upset and improve clavulanate absorption. * Complete the prescribed course unless your healthcare professional tells you otherwise. ### Reconstitution If supplied as dry powder: 1. Follow the manufacturer's instructions. 2. Add the specified amount of water. 3. Shake thoroughly. 4. Add additional water if required to reach the indicated level. 5. Shake again before use. Storage after reconstitution can vary by product, so follow the label carefully. ### Missed Dose Give the missed dose when remembered unless it is nearly time for the next dose. **Do not double the next dose.** --- ## Side Effects ### Common Side Effects Possible side effects include: * Diarrhea * Nausea * Vomiting * Abdominal discomfort * Indigestion * Skin rash * Headache Taking the medicine with food may help reduce gastrointestinal discomfort. ### Serious Side Effects Seek urgent medical attention if you experience: * Difficulty breathing * Swelling of the face, lips, tongue or throat * Severe allergic reaction * Severe or widespread skin rash * Persistent or bloody diarrhea * Severe abdominal pain * Yellowing of the skin or eyes * Dark urine with other signs of liver problems Rarely, amoxicillin/clavulanate can cause significant **liver injury** or severe antibiotic-associated diarrhea. --- ## Precautions & Warnings ### Penicillin Allergy Do not use this medicine without medical advice if you have previously experienced a serious allergic reaction to: * Amoxicillin * Penicillin * Other beta-lactam antibiotics Tell your healthcare professional about any previous antibiotic allergy. ### Liver Problems Amoxicillin/clavulanate can rarely cause liver injury. Tell your doctor if you have: * Liver disease * Previous jaundice or liver problems associated with antibiotics * A history of reaction to amoxicillin/clavulanate ### Kidney Disease Patients with significant kidney impairment may require a different dose or formulation. ### Severe Diarrhea Persistent, severe or bloody diarrhea can indicate **Clostridioides difficile-associated diarrhea/colitis**, which can occur during or after antibiotic treatment. Seek medical advice rather than self-treating severe diarrhea. ### Infectious Mononucleosis Amoxicillin-containing medicines can cause a prominent rash in people with **infectious mononucleosis (glandular fever)**. Tell your doctor if this condition is suspected. ### Antibiotic Resistance Unnecessary antibiotic use can contribute to **antimicrobial resistance**. Do not use this medicine for viral infections or share leftover antibiotics with others. ### Pregnancy Amoxicillin/clavulanate may be used during pregnancy when clinically appropriate. Consult your healthcare professional before use. ### Breastfeeding Amoxicillin and clavulanate can pass into breast milk. Consult your healthcare professional if you are breastfeeding, particularly if the infant develops diarrhea, rash or other symptoms. --- ## Drug Interactions ### Warfarin and Other Anticoagulants Amoxicillin/clavulanate may occasionally affect anticoagulation control. Patients taking **warfarin** may require monitoring. ### Methotrexate Penicillin antibiotics may potentially increase methotrexate exposure. Tell your healthcare professional if you take methotrexate. ### Allopurinol Taking amoxicillin with allopurinol may increase the likelihood of skin rash in some patients. ### Probenecid Probenecid can reduce renal elimination of amoxicillin and increase antibiotic concentrations. ### Mycophenolate Antibiotics may potentially affect exposure to mycophenolate products. Medical monitoring may be appropriate. ### Oral Contraceptives Diarrhea or vomiting associated with antibiotic treatment can reduce the reliability of oral contraceptive pills. Follow the contraceptive product's instructions regarding missed pills and seek pharmacist/medical advice if significant gastrointestinal symptoms occur. > Tell your doctor or pharmacist about **all prescription medicines, OTC medicines, vitamins and herbal supplements** you take. --- ## Storage Information ### Before Reconstitution * Store the dry powder according to the manufacturer's instructions. * Keep the container tightly closed. * Protect from excessive heat and moisture. * Keep away from direct sunlight. ### After Reconstitution * Follow the storage instructions printed on the specific product label. * Many amoxicillin/clavulanate suspensions require **refrigeration after reconstitution**. * **Do not freeze.** * Shake well before every dose. * Discard any remaining suspension after the manufacturer's specified period. > Storage duration can vary by formulation and manufacturer. Always follow the product label rather than relying on a generic storage period. --- ## Prescription Status **Amoxicillin 400 mg + Clavulanic Acid 57 mg is generally a prescription antibiotic.** It should be used only under the supervision of a qualified healthcare professional to ensure appropriate antibiotic selection and dosing. --- ## Genuine Medicine Assurance When purchasing **Amoxicillin 400 mg + Clavulanic Acid 57 mg**: * Purchase from a **licensed and reputable pharmacy**. * Verify the exact strength: **400 mg amoxicillin + 57 mg clavulanic acid per 5 mL**, when applicable. * Check the manufacturer. * Check the batch/lot number and expiry date. * Ensure the packaging is sealed and undamaged. * Check the product label and registration information where applicable. * Avoid products with altered or suspicious packaging. * Do not purchase antibiotics from unauthorized sellers. * Follow the manufacturer's instructions for reconstitution and storage. * If you suspect a counterfeit medicine, contact the manufacturer, licensed pharmacy or relevant medicines regulatory authority. --- # Frequently Asked Questions (FAQ) ### 1. What is Amoxicillin 400 mg + Clavulanic Acid 57 mg used for? It is an antibiotic combination used to treat **susceptible bacterial infections**, including selected ear, sinus, respiratory, urinary and skin/soft-tissue infections. ### 2. Is Amoxicillin + Clavulanic Acid an antibiotic? Yes. Amoxicillin is a **penicillin-type antibiotic**, while clavulanic acid is a beta-lactamase inhibitor. ### 3. What does 400 mg/57 mg per 5 mL mean? It means that every **5 mL of the suspension contains 400 mg of amoxicillin and 57 mg of clavulanic acid**. ### 4. Why is clavulanic acid added to amoxicillin? Clavulanic acid inhibits certain bacterial beta-lactamase enzymes that can break down amoxicillin. This helps amoxicillin remain active against selected beta-lactamase-producing bacteria. ### 5. Can Amoxicillin + Clavulanic Acid treat a common cold? No. Common colds are generally caused by viruses, and antibiotics do not treat viral infections. ### 6. Can this medicine be used for cough? It may help when a cough is caused by a **susceptible bacterial infection** for which this antibiotic is appropriate. Most uncomplicated coughs do not require antibiotics. ### 7. Is Amoxicillin 400 mg + Clavulanic Acid 57 mg safe for children? It can be prescribed for children when clinically appropriate. The dose is generally determined according to **body weight, infection type, severity and kidney function**. ### 8. Should this suspension be shaken before use? Yes. **Shake the bottle well before every dose** to ensure the medicine is evenly distributed. ### 9. Should Amoxicillin + Clavulanic Acid be taken with food? Taking it with a meal or snack is commonly recommended because it can help improve clavulanate absorption and reduce stomach upset. ### 10. How should I measure the suspension? Use the supplied **oral syringe or calibrated measuring device**. Avoid using a household teaspoon because it may not provide an accurate dose. ### 11. Can Amoxicillin + Clavulanic Acid cause diarrhea? Yes. Diarrhea is one of the more common side effects. Severe, persistent or bloody diarrhea requires medical evaluation. ### 12. Can this medicine cause an allergic reaction? Yes. Penicillin allergy can cause reactions ranging from rash to a severe allergic reaction. **Difficulty breathing or swelling of the face or throat requires emergency medical attention.** ### 13. Can people allergic to penicillin take this medicine? People with a history of serious penicillin or beta-lactam allergy should not take it unless specifically evaluated and advised by a healthcare professional. ### 14. Can I stop the antibiotic when I feel better? Do not change or discontinue treatment without consulting your healthcare professional. Follow the prescribed treatment duration. ### 15. What should I do if my child vomits after taking a dose? The appropriate action depends on how soon vomiting occurred and whether the medicine was likely absorbed. Contact your pharmacist or healthcare professional for specific advice rather than automatically repeating the dose. ### 16. Can Amoxicillin + Clavulanic Acid be used during pregnancy? It may be used when clinically appropriate during pregnancy. Consult your healthcare professional before taking it. ### 17. Can it be used while breastfeeding? Amoxicillin and clavulanate can pass into breast milk. It is generally compatible with breastfeeding in many situations, but consult your healthcare professional if you have concerns or the infant develops diarrhea or rash. ### 18. How should reconstituted Amoxicillin + Clavulanic Acid suspension be stored? Storage requirements vary by formulation. Many products require **refrigeration after reconstitution and should not be frozen**. Always follow the specific manufacturer's label. ### 19. Can I save leftover antibiotic suspension for a future illness? No. Do not save or reuse leftover antibiotics unless specifically instructed by a healthcare professional. The medicine may not be appropriate for the next infection and may have passed its recommended storage period. ### 20. Is Amoxicillin 400 mg + Clavulanic Acid 57 mg available without a prescription? It is generally a **prescription-only antibiotic**, although regulations vary between countries. --- ## Medical Disclaimer This information about **Amoxicillin 400 mg + Clavulanic Acid 57 mg** is provided for educational and general informational purposes only. It is **not a substitute for professional medical advice, diagnosis or treatment**. The exact dose, treatment duration, reconstitution procedure and storage requirements depend on the patient's age, body weight, infection, kidney function and the specific product formulation. Pediatric dosing should be determined by a qualified healthcare professional. Antibiotics should only be used when clinically indicated for bacterial infections. Unnecessary use can contribute to **antimicrobial resistance**. Seek urgent medical attention for difficulty breathing, swelling of the face or throat, severe allergic reactions, severe skin reactions, persistent/bloody diarrhea or signs of significant liver problems. **Do not start, stop or change antibiotic treatment without consulting a qualified healthcare professional.**