My son is 1 yr old and sometimes congestion voice comes from chest , not cough ad cold this problem is from 7-8 months else sleeping eating playing all activities are fine but only this problem wants to know any worry bcz someone told me it's genetic as in his father's childhood same issue was with him , ad thy told me after some yr this problem will resolve by self Even by some doc prescription I gave omnacortil drops ad augmentin or montairlc kid to him when medc given their is relief but after that in 4-5 days same problem please suggest me