What are some characteristic signs and symptoms of leukemia?

Variable. Symptons may include but not limited to fever, weakness, easy fatiguability, shortness of breath, weight loss and sweating.
Multiple. Leukemia can present with multiple signs and symptoms including but not limited to: bone pain, refusal to bear weight, gum bleeding, bleeding from other sites, pallor, lack of appetite, fever, night sweats, unexplained weight loss, easy bruising, fatigue, etc. If a concern for leukemia exists, consultation with the primary care physician or a hematologist is recommended.