How can you know if you have leukemia?

Blood test usually: If you have certain symptoms, blood tests will be done which may show leukemia. These tests may not show the leukemia outright. Either way, if there is. Still concern, a bone marrow test will be done. This test will be able to determine if the symptoms are leukemia or not.

See below...: 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, including a cbc.

Hard to say: Fatigue, pallor weakness are common symptoms, but diagnosis is made by review of blood smear. Symptoms at onset are generally subtle and develop over long periods of time.

Blood count: A blood count can let you know if you have leukemia.