1. is cough
with expectoration or is dry, and is this due to change of climate, seasonal or recurrent?
2. could be naso-bronchial allergy/Allergic Rhinitis
3. opinion of ENT Physician should be sought out. is DNS
4. avoid nuts,dairy foods, pastries, sweet fruits, wheat,potatoes,tomatoes,pepper,orange,grapes, bananas as long as symptoms are there, eat food which is/are easier to digest (green vegetables), only eat light meals before retiring to bed which will aid in better digestion.
5. Avoid excess humidity, dust and allergens (by observation), which will help in preventing future attacks
6,because it is experienced every morning, you should opt for Rasayan (Immunomodulation) Therapy in Ayurveda, Jal Neti is the ideal treatment