The symptoms of Leukaemia depend on the type of cancer. For example, you may not notice symptoms during the early stages if you have chronic Leukaemia. However, certain common signs include the following. Excessive night sweats Fever and chills Feeling lethargic and weak even after taking rest Unintended weight loss Loss of appetite Swollen lymph nodes located near the neck, armpit, or groin Enlargement of spleen or liver Easy bruising and bleeding Recurrent infections Red, purple, or dark spots on the skin