Hi am a father of 2 years 8 months boy. My doubt is that my job location is Bidar and my home town is Hyderabad whenever my baby travels to native place he catches cold and have running nose till we come to my job location. As and when we return to job location his running nose hardly runs for 1 week and stops. My concern is that why his running nose not stopping in our native even for more than a month, this concerns me more why it so?