Amoxyclav 625 mg for Sinus and Chest Infections Amoxyclav 625 mg is frequently recommended for bacterial sinus infections, bronchitis, and other chest infections. The formulation improves effectiveness against beta-lactamase producing bacteria. Take only as prescribed by a qualified healthcare provider and complete the entire course to ensure best outcomes and prevent resistance. Read more: https://ivercares.com/product/amoxyclav-625-mg/