Possible Cancer Treatment Side Effects

Cancer and related treatments can cause a variety of short- and long-term side effects. Many side effects can be prevented or managed. Let your care team know if you experience any side effects from treatment.

Second Cancers

Some chemotherapy medications increase the risk of blood cancers, such as leukemia. The risk is small and occurs an average of 10 years after treatment. Your oncologist can discuss your risk with you.

Call the doctor if you have:

  • Fever greater than 100.5 degrees, chills or other symptoms of infection
  • Bleeding or severe bruising
  • Depression or anxiety that interferes with daily activities
  • Extreme fatigue
  • Inability to keep fluids down
  • Pain, burning or bleeding when passing urine
  • Rash or other allergic reactions t medication
  • Severe constipation or diarrhea
  • Shortness of breath, persistent cough or colored phlegm
  • Soreness or sores in the mouth or throat
  • Unrelieved pain and.or vomiting