Dealing with the formation of thick mucus during head and neck cancer therapy can be challenging, but there are several strategies that may help alleviate this symptom. It's important to note that individual responses may vary, and it's crucial to consult with healthcare professionals for personalized advice. Here are some general suggestions:

1. **Stay Hydrated:**
- Drink plenty of fluids to help thin the mucus. Water is the best choice, but other clear liquids may also be beneficial.

2. **Humidify the Air:**
- Use a humidifier in your living space to add moisture to the air. This can help keep the mucus from becoming too thick and difficult to manage.

3. **Saline Nasal Rinses:**
- Saline nasal rinses can be helpful in moisturizing and clearing mucus from nasal passages. Consult with your healthcare team before using any nasal products to ensure they are safe for your specific condition.

4. **Gargling:**
- Gargling with warm saltwater can soothe the throat and help break down mucus. Again, consult your healthcare team before using any specific gargle solutions.

5. **Medications:**
- Your healthcare provider may prescribe medications to help manage thick mucus. This might include mucolytics, which are drugs that help break down and thin mucus.

6. **Positional Changes:**
- Changing your position may help mucus drain more effectively. For example, sitting upright or propping yourself up with pillows during sleep can prevent mucus from pooling in the throat.

7. **Breathing Exercises:**
- Work with a respiratory therapist or healthcare professional to learn breathing exercises that can help improve lung function and reduce the sensation of thick mucus.

8. **Nutrition:**
- Stay well-nourished to support overall health. Some people find that certain foods, such as warm broths or teas, can help soothe the throat and make it easier to swallow.

9. **Speech Therapy:**
- Speech therapists can provide exercises to strengthen the muscles used in swallowing, which may help with the management of thick mucus.

10. **Regular Follow-ups:**
- Keep regular follow-up appointments with your healthcare team. They can monitor your symptoms and adjust your treatment plan as needed.

Always communicate with your healthcare team about any symptoms you are experiencing, as they can provide guidance tailored to your specific situation. If you notice any sudden or severe changes in symptoms, seek medical attention promptly.