This guide helps chemotherapy patients manage shortness of breath, a potentially serious side effect that requires careful monitoring. It provides basic self-care strategies including avoiding overexertion, resting between activities, and staying away from dust, smoke, and pollution. The material emphasizes seeking immediate medical attention for concerning symptoms like shortness of breath at rest, chest pain, blue-tinged skin, limb swelling that may indicate blood clots, or fever, as these can signal serious complications.