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As each person's individual medical profile and diagnosis is different, so is his/her reaction to treatment. Side effects may be severe, mild, or absent. Be sure to discuss with your cancer care team any and all possible side effects of treatment before the treatment begins.
Side effects of immunotherapy, which often mimic flu-like symptoms, vary according to the type of therapy given and may include the following:
Loss of appetite
Specifically, cytokine therapy often causes fever, chills, aches, and fatigue. Other side effects include a rash or swelling at the injection site. Biological therapy can cause fatigue and bone pain and may affect blood pressure.