Augmentin is an antibiotic that contains amoxicillin and clavulanate potassium. It's used to treat certain strains of organisms that can cause the following infections: Lower respiratory tract infections, Middle ear infections, Sinusitis, Skin infections, Urinary tract infections Augmentin comes in a variety of oral dosage forms and strengths, including: Oral suspension: 125 mg/5 mL, 200 mg/5 mL, 250 mg/5 mL, 400 mg/5 mL, Chewable tablets: 125 mg, 200 mg, 250 mg, 400 mg, Tablets: 250 mg, 500 mg, 875 mg Fact Table Formula C24H27KN4O10S License US DailyMed, US FDA Bioavailability 85% and 75% Legal status Rx-only Chemical Name Amoxicillin/clavulanic acid Elimination half-life 1.3 hours and 1 hour Dosage (Strength) 875/125mg Pregnancy Relatively safe Brands Augmentin Protein binding - PubChem CID 6435924 MedlinePlus a685024 ChEBI - ATC code J01CR02 DrugBank - KEGG D06485 Routes of administration By mouth