Amoxicillin Dosage by Condition Ear, Nose, and Throat Infections For adults, the usual dose is 500 mg every 8 hours or 875 mg every 12 hours for 7 to 10 days. Children typically receive 20 to 40 mg per kilogram of body weight per day, divided into three doses. This ensures the infection is cleared effectively. Free amoxicillin dosage calculator for pediatric and adult antibiotic dosing. Calculate the correct dose based on weight, age, infection type, and medication concentration. Description Amoxicillin is used to treat bacterial infections in many different parts of the body (ear, lungs, nose, sinus, skin, urinary tract). It is also used with other medicines (eg, clarithromycin, lansoprazole) to treat H. pylori infection and duodenal ulcers. Amoxicillin is also used to treat tonsillitis and pharyngitis (sore throat). Amoxicillin is a prescription drug used to treat certain types of bacterial infections. Learn about the drug’s dosages, forms, strengths, and more. Amoxil is a prescription medicine used to treat the symptoms of many different types of bacterial infections. Learn about different usages, dosages, side effects, drug interactions, warnings, and more. NHS medicines information on dosage for amoxicillin, how to take it and what to do if you miss a dose or take too much. Get the facts on amoxicillin's dosages. Learn how to take the drug, the forms it comes in, and more. Amoxicillin is a prescription antibiotic that treats bacterial infections. Here’s what you need to know about its dosage and how to take it. Medscape - Infection-specific dosing for Amoxil (amoxicillin), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Detailed Amoxicillin dosage information for adults and children. Includes dosages for Urinary Tract Infection, Sinusitis, Bronchitis and more; plus renal, liver and dialysis adjustments.