Hi, I had gone through your question and understand your concerns. High fever, sore throat , bad breath , poor feeding all are suggestive of infection of throat which usually involves tonsil also , small white sore inside of upper lip seems to be aphthous ulcer which may be part of disease or may occur in addition to disease . Regarding bleeding from gums , it may be related to an ulcer , or may also be related to cleaning of teeth . You have not mentioned medicines you are taking , get again reviewed by your doctor and if required you can take a second opinion from ENT surgeon. Hope this answers your question. If you have additional questions then please do not hesitate in writing to us. Wishing your child good health. • DISCLAIMER: - All the information provided here is for information purpose only , it is not a substitute for the advice of a physician after physical examination , it is not intended to replace your relationship with your doctor. This information in no way establishes a doctor-patient relationship. Before acting anything based on this information do consult your doctor. I recommend that online users seek the advice of a physician who can perform an in-person physical examination