To prevent ear blockage, use your nasal spray about 30 minutes before take off and landing, and try chewing gum to help your ears adjust to the pressure. Keep yourself well hydrated and stay awake during landing so you can actively clear your ears while you have a cold. If symptoms are severe, it is better to postpone travel and consult your doctor.

As your cough has lasted 25 days and the medicines you have tried have not been effective, it is not advisable to take additional medication on your own. A persistent cough may indicate an underlying infection, allergy, asthma, or another lung condition. Please consult a doctor to determine the exact cause and receive appropriate treatment for lasting relief.