Augmentin is a prescription antibiotic combining amoxicillin and clavulanate to treat bacterial infections like sinusitis, pneumonia, UTIs, and bronchitis. Prescribing in absence of proven or strongly suspected bacterial infection or prophylactic indication increases risk of development of drug-resistant bacteria Dosage form and switching considerations Substitution among formulations should only occur when amoxicillin-to-clavulanate ratio is matched Learn about the Augmentin's dosages, forms, strengths, and how to take the medication. Learn about Augmentin dosages for adults and children, including XR and ES-600 forms. Find out about treatment durations, storing it, and taking it with food. Augmentin is a widely prescribed antibiotic that combines amoxicillin with clavulanate potassium. This combination helps fight bacteria that are resistant to amoxicillin alone. Doctors often recommend Augmentin to treat infections like sinusitis, pneumonia, ear infections, urinary tract infections, and skin infections. Augmentin (amoxicillin / clavulanate) is an antibiotic used to treat many bacterial infections. Your Augmentin dosage will depend on many factors, such as the type of infection you have, your age, and your body weight. The typical Augmentin dosage for adults ranges from 250 mg to 875 mg every 8 to 12 hours for 5 to 10 days. The dosage for children is based on their body weight. Augmentin is. Detailed dosage guidelines and administration information for Augmentin (amoxicillin and clavulanate potassium). Includes dose adjustments, warnings and precautions. For oral dosage form (tablets): Adults and children weighing 40 kilograms (kg) or more—500 milligrams (mg) amoxicillin and 125 mg clavulanate every 8 hours or 875 mg amoxicillin and 125 mg clavulanate every 12 hours. Children weighing less than 40 kg—Use and dose must be determined by your doctor. Guide to Amoxicillin-clavulanate (Augmentin®) Dosing Dosing for patients ≥ 3 months old with normal renal function Calculate Augmentin (amoxicillin/clavulanate) dosage for adults and children by weight, indication, and formulation with volume calculator.