- Fever
- Shortness of breath
- Petechiae, which are tiny red dots under the skin. They are caused by bleeding.
- Weakness or feeling tired
- Weight loss or loss of appetite
- Bone or joint pain, if the abnormal cells build up near or inside the bones
- Fatigue
- Headaches
- Unusual bleeding or bruising
- Swollen gums
- Swollen liver or spleen
- More infections than usual