hello, this looks like a case of some kind of bleeding disorder, may be acquired. the final diagnosis can be ascertained only with detailed history like history of bleeding from any other site, fever, any preceeding illness etc and physical examination of the child along with some blood investigations like Complete blood count esp platelet count, PT, aPTT, clotting tome and bleedind time and if needed some coagulation factor assessment. this mey be a case of vitamin K deficiency sas well that need vit k supplement only. the proper treatment will depend on final diagnosis. so sonsult your doctor without delay. thanks amit