Symptoms of leukemia vary depending on the type of leukemia. The most common signs and symptoms of leukaemia include:

• Fever;
• Fatigue and persistent weakness;
• Frequent or severe infections;
• Unexplained weight loss;
• Swelling of the lymph nodes, enlargement of the liver or spleen;
• Mild bleeding and rapid onset of ecchymoses;
• Epistaxis (recurrent nasal bleeding);
• Small reddish spots on the skin (petechia);
• Sweating abundant, especially during the night;
• Bone pain or bone sensitivity.