Radiation therapy is a common treatment option for head and neck cancer. The side effects of radiation therapy for head and neck cancer can vary depending on the location and extent of the radiation treatment. The following is a week-by-week summary of anticipated side effects:

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Week 1-2:

During the first week or two of radiation therapy, patients may experience some fatigue, nausea, and skin irritation in the treated area. These side effects are generally mild.

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Week 3-4:

By the third or fourth week of radiation therapy, patients may experience more severe fatigue, difficulty swallowing, and dry mouth. Some patients may also develop sores in their mouth or throat, which can make it difficult to eat and drink.

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Week 5-6:

During the fifth and sixth weeks of radiation therapy, the side effects may become even more severe. Patients may experience increased fatigue, difficulty swallowing, and dry mouth. Some patients may also experience changes in their taste and a loss of appetite.

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Week 7-8:

In the final weeks of radiation therapy, patients may continue to experience fatigue, difficulty swallowing, and dry mouth. Some patients may also experience skin changes in the treated area, including redness, peeling, and itching.

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After treatment: In the weeks and months following radiation therapy, patients may experience ongoing side effects, such as ongoing fatigue, dry mouth, and difficulty swallowing. These side effects can be managed with medications and lifestyle changes, such as a modified diet.