Introduction: the hemangioma is a vascular lesion of uncertain etiology. It is most frequently observed in the head and neck region (50% of the cases). In the oral cavity, commonly affect the lower lip, tongue, jugal mucosa and palate. There are several therapeutic modalities to treat hemangiomas, among them; sclerotherapy stands out, since it represents a simple, comfortable, effective and low-cost method of treatment. Objective: compare the treatment between two sclerosing agents: the ethanolamine oleate 5% and glucose solution 50%. Side effects and period of treatment was also analyzed and illustrated with three clinical cases. Material and methods: three cases presenting diascopy blanching lesions, and vascular injury, were aspirated being collected bloody content, confirming the diagnosis of vascular injury, and establishing a clinical diagnosis of hemangioma.Infiltration anesthesia was applied at a distance, and slow implementation of sclerosing agents was injected, intralesionally. An interval of seven days between each application was maintained. Patients were asked about possible occurrence of side effects: burning, pain, swelling the region. Results: both sclerosing agents used in this study are efficient, easy to perform, with market availability and reduced cost. Conclusion: regarding the duration of the treatment, no significant difference between the sclerosing agents was observed, because both needed a few applications for the complete resolution of the lesions, no recurrence was observed and early side effects were pain, swelling, redness and burning.