Sinus infections are notorious for taking long amounts of time to cure. Why then would that be prescribed over the Amoxil. By the prescribed over the Amoxil. By the way this was prescribed for otitis media and slight bronchitis. Augmentin is a combination of Amoxicillin and Clavulanate potassium.
Clavulanate potassium is technically the potassium salt of clavuligerus.
It is added to Amoxicillin due to its ability to inactivate beta-lactamases. These are substances produced by bacterial defenses. Amoxicillin has historically been an excellent drug for many infections. The addition of clavulanate potassium to Amoxicillin has generally made the drug much more effective against resistant bacteria. Clavulanate is a product of the bacteria Streptomyces clavuligerus and is used by this bacteria to inactivate beta lactamases by blocking various enzyme sites.