Difficulty breathing is a serious symptom requiring immediate medical evaluation. Please consult a doctor right away to rule out severe conditions like pneumonia. For temporary relief of cold and chest congestion, try steam inhalation, saline nasal sprays, and drinking warm fluids. A spoonful of honey can soothe a dry cough. Avoid self-prescribing medications, especially with breathing issues. Once cleared by a doctor, supportive supplements like Vitamin C, Zinc, and Vitamin D can aid recovery. For sleeplessness and low appetite, focus on rest and small, easily digestible meals. Your priority must be an urgent in-person medical assessment.