Introduction: Syphilis is an infectious disease with predilection to the genital system; however, some cases may present extragenital manifestations as syphilitics tonsillitis. The oral manifestations of syphilis may occur in any one of the three stages of the disease. In the primary stage, tonsils are congest, edematous, and hardened. In the secondary stage, the oroscopy presents circular elevated enanthematous, opaline plaques in the mucosa, recovered with white-gray membrane, rounded with redness halo in the tonsils, buccal mucosa, and palate. The tertiary stage presents chronic and deep ulcerations reaching muscle layer of the oropharynx, but painless.