This guide helps chemotherapy patients manage cough symptoms that may develop during cancer treatment. It provides simple self-care recommendations including over-the-counter cough medications like guaifenesin or dextromethorphan, and advises avoiding smoking or smoky environments. The material emphasizes the importance of seeking immediate medical attention for serious warning signs such as fever above 38°C, shortness of breath, chest pain, blood in cough, or worsening symptoms.