Lasting tiredness may seem like a mild side effect of radiation treatment. But patients find this type of fatigue quite disturbing. Their distress likely stems from the consequences of exhaustion. For example, cancer-related fatigue can make daily functions a challenge. This may contribute to mental and emotional tiredness, adding to the problem.
The prospect of RIF might seem daunting, but knowing more about it may help. Understanding the usual course of RIF can give patients and caregivers an idea of what to expect. And learning about risk factors tied to severe RIF can help patients take steps to reduce their risk.
Why Does Radiation Cause Fatigue?
Radiation causes fatigue by damaging healthy cells, even though it targets tumors. It can kill red blood cells, making it harder for blood to carry oxygen throughout the body. Radiation may also damage the power plant inside cells, effectively making them run on a low battery. For many patients, these changes can be temporary, but fatigue may persist long-term for others.
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