Fatigue and weakness can be common symptoms associated with various medical conditions, including throat cancer. When cancer cells multiply and disrupt the body's normal functions, it can lead to feelings of extreme tiredness and weakness. For some, this fatigue is often unrelieved by rest and may persist over time. For others, lack of sleep, anemia and other side affects of cancer treatment can lead to fatigue. If you experience unexplained, persistent fatigue, talk to a healthcare professional immediately.

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