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Potential Side Effects of Radiation Therapy for Carcinoma of Unknown Primary Origin

Radiation affects both normal cells and cancer cells. This means it can cause side effects. What they are depends on what part of your body is treated. Common side effects of radiation include fatigue and skin changes. These are common side effects of radiation listed from most to least common.

  • Diarrhea

  • Fatigue

  • Nausea

  • Skin irritation

Usually these side effects go away after treatment. Many can be helped with certain medications.