Abstract Fungal ball (FB) is non-invasive type of fungal sinusitis. It might present with facial pain or pressure, nasal obstruction, secretions, or decreased sense of smell, depending on the size and location of the sinus that is involved. In this series, we aim to share our experience in treating cases of FB with medical treatment only. Medical records data collected from three different centers for four patients diagnosed with FB were discussed in this case series. Four cases, with two males and two females, were reported in this series. Patient ages ranged from 19 to 51 years old. The most common complaint was nasal obstruction and nasal discharge. Computed tomography (CT) showed a heterogenous mass in the maxillary sinus for three cases with one of them involved the concha bullosa. Also, in one case the mass involved sphenoid sinus with expansion over the posterior sphenoidal septum. Two patients received intranasal steroids, one received additional oral steroids, and one received only intranasal decongestant drops. Within one to six months, all patients reported the complete resolution of their symptoms. Repeated CT showed the complete resolution of the FB in all four cases. Surgical resection of FB remains the mainstay of management. However, trials using medical treatment can be used to waive the surgical option in some cases where there is no urgent indication for surgical intervention.