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 ruled out?
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

Hello,
You can certainly get benefit for your cough and sneezing by homeopathic remedy. For your peculiar symptom which occurs after waking up suggests your specific homeopathic remedy. You might know that homeopathy works on 'like cures like' principle.
There are various excellent remedies in homeopathy, among them one single remedy will be selected according to your temperament and modality of symptoms. There is no side effect and no need to take it for longer time.
regards,
Maqbool Masi

Hello
You have not mentioned about running nose along with sneezing. You try these simple remedies yo will improve a lot : drink ample of water daily , daily pour 2 drops of desi ghee in both nostrils twice daily , take 3-4 tulsi leave trice daily. Do these remedies you will improve soon. For further follow up contact a local ayurvedic physician or contact me at rediffmail.com
wish you best of health