Hi, welcome to our site. I am Dr Saumya Mittal. Read your query. That is a very significant question and i appreciate your problem. I will try my best to answer your query this does definitely sound like rhinitis, and you must be treating her well with antibiotics and steam inhalation. of course gargles cant be done at that age however i would like to rule out that this is not an allergic reaction, specially considering the long standing cold. i will suggest you test a serum IgE and let us know further tests can follow once we know for sure its an allergy meanwhile keep her away from common allergens- pollens and cold wind, some soaps and cosmetics. and check her foods like milk (should be diluted and given), eggs etc which you can stop one at a time and see if there is improvement if serum IgE is positive, let us know and formal testing can be suggested I hope this helps you. Inform the reports mentioned above so i can be of help further. Best of luck. I have given you the answer to the maximum considering the information provided. The results of the tests could further enhance my answer to you. Please do understand that some details could be extracted from a detailed history and examination. Looking forward to your return query with the details asked so that I can help you further. (If the answer has helped you, please indicate this)