question: Hello Doctor, My name is Suma, have a daughter who is 3 yrs old. We are in Sydney Australia. My daughter is suffering from post nasal drip from almost 4 months.. inspite of showing to my doctors and even ENT Surgeon we are not able to find out the exact reason for this. she is on antihistamine (Claritine 2.5 ml daily once). Can u pls hlp me out someway to control her cough and running nose. I will be in bangalore during may during which i will be visiting u. waiting for ur reply