One of the major health hazards which is prevalent and dangerous is the dengue fever which causes the death of many people. This may be associated with a variety of mucocutaneous manifestations which may be of help in early diagnosis. Many biochemical assays and hematological investigations may aid in the further diagnosis and treatment of the fatal disease. Oral lesions are rare to occur and if present, are often mistaken for platelet abnormality. This case report highlights the importance of oral lesions and it is the first of its kind to be reported as dengue hemorrhagic fever.