Augmentin is an oral antibacterial combination consisting of the antibiotic amoxicillin
and the β-lactamase inhibitor clavulanate potassium. Side effects may occur such as hypersensitivity reactions. This may include skin rashes, pruritus, urticaria, serum sickness-like reactions (skin rash accompanied by arthritis, arthralgia, myalgia, and frequently fever), hypersensitivity vasculitis, and an occasional case of exfoliative dermatitis. (Reference: http://www.rxlist.