Thank you for your query on Healthcare Magic.
Frequent nose bleeds needs evaluation for any local problems like growth, foreign body, and any underlying bleeding disorders.Anemia
because of frequent bleeds occur which may be reason for his tiredness
Other reasons apart from anemia is to rule out scurvy
which leads to frequent bleeds and refusal to walk.
Basic investigations like CBP, CT, BT, PT, APTT, and X rays to be done.
Before investigations, physical examination by his pediatrician
is important to look for the causes and ordering appropriate investigations.
Hope I have answered your query.