Pott’s puffy tumour is a rare clinical entity in this era of antibiotics. It is usually seen as a complication of frontal sinusitis. This is the first report of Pott’s puffy tumour presenting as a complication of maxillary sinusitis. This is also the first reported case of Pott’s puffy tumour treated with debridement and gentamicin beads. We discuss the clinical presentation and successful treatment of this rare disease.