Cancer patients undergoing chemotherapy or radiotherapy often experience ‘chemo mouth,’ with painful symptoms like mouth sores, dry mouth, and ulcers. This condition, known as oral mucositis, usually appears within one to two weeks of starting treatment but can be managed with proper oral care and hydration. Cancer patients undergoing chemotherapy or radiotherapy often experience ‘chemo mouth,’ with painful symptoms like mouth sores, dry mouth, and ulcers. This condition, known as oral mucositis, usually appears within one to two weeks of starting treatment but can be managed with proper oral care and hydration. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle