Hi, thank you for reaching out to us.

We understand that you suddenly developed cough and this alarms you. Do not worry as we will try to help you.

For your information, cough is a reflex of getting rid of foreign substance inside the airway or inside the esophagus and the causes of it is multifactorial. It can occurs suddenly or progressing. The cough itself is usually not dangerous if there is no underlying problems but if you have symptoms and persistently having the cough, it is something to be noted by the doctor and further investigation needs to be done.

Some of the common causes of cough are:

• Inflammation of the tonsil
• Inflammation of the throat
• Lung infection
• Foreign body inside the airway or esophagus
• Gastroesophageal reflux disease

However, please seek immediate attention if you have these symptoms:

• Coughing up blood and/or greenish sputum
• Having difficulty in breathing
• Chest pain
• Daily activity disturbed due to symptoms
• Fever
• Lethargy or fatigue

We suggest you to speak with our doctors online so that we can help you further with your symptoms. We hope that our answer helps you.

Thank you.