Free Augmentin (amoxicillin/clavulanate) dosage calculator for adults and children. Calculate dose by weight, indication, and formulation. 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. Medscape - Indication-specific dosing for Augmentin (amoxicillin/clavulanate), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules. 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. Detailed dosage guidelines and administration information for Augmentin (amoxicillin and clavulanate potassium). Includes dose adjustments, warnings and precautions. Because it’s a powerful medicine, taking the right dose is very important. Too little might not clear the infection, and too much can cause side effects. This guide will help you understand how much Augmentin to take, when to take it, and what to do if you miss a dose. Augmentin may work best if you take it at the start of a meal. Take the medicine every 8 or 12 hours, depending on the dose prescribed by your doctor. Do not crush or chew the extended-release tablet. Swallow the pill whole, or break the pill in half and take both halves one at a time. Guide to Amoxicillin-clavulanate (Augmentin®) Dosing Dosing for patients ≥ 3 months old with normal renal function The typical adult dosage of Augmentin is 875 mg amoxicillin/125 mg clavulanic acid (one tablet) taken every 12 hours, with treatment lasting 3 to 14 days depending on the type of infection. The dose is usually 40 mg per kg of body weight per day every 8 hours or 45 mg per kg of body weight per day every 12 hours. Children younger than 3 months of age—Dose is based on body weight and must be determined by your doctor.