Augmentin 625 Duo Tablet combines Amoxicillin (500mg) and Clavulanic Acid (125mg), an antibiotic duo used to treat a variety of bacterial infections, including respiratory tract infections, urinary tract infections, and skin infections. Amoxicillin is a penicillin-type antibiotic that inhibits bacterial cell wall synthesis, while Clavulanic Acid inhibits bacterial enzymes that can inactivate amoxicillin, enhancing its effectiveness. Common side effects include nausea, diarrhea, and allergic reactions. The typical dosage is one tablet taken every 8 hours, usually with food. It is important to complete the full course as prescribed and consult a healthcare provider for any persistent or severe symptoms.