Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concerns..
As per your complain it seems that the symptoms of cough along with phlegm formation can be due to a number of causes like chronic upper respirtory tract infection,
bronchitis, allergies,
lung infection etc..
I would suggest you to consult an Otolaryngologist or Pulmonologist and get evaluated and a thorough clinical evaluation and investigations like blood tests, chest x ray,
sputum culture etc can help in diagnosis and treatment can be done accordingly..
You can be advised a course of antibiotics, anti-inflammatory painkiller like
Ibuprofen, anti allergics like Levocetrizine, mucolytics like
Ambroxol..
You can also do warm saline gargles, steam inhalations and use a humidifier in your room..
You can also avoid spicy and chilled foods and sip plenty of warm water..
Take a bland diet..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora.