What are the common symptoms of leukemia in kids? Leukemia symptoms in children can sometimes look like everyday illnesses, which is why awareness is so important. Common signs include frequent infections, unexplained bruising or bleeding, constant tiredness, pale skin, bone or joint pain, swollen lymph nodes, and fever without a clear cause. If these symptoms persist, it’s important to consult a doctor early. Early detection can make all the difference in ensuring timely care and better outcome