Y Husband Has Had A Viral Bronchial Infetion And Is

Y husband has had a viral bronchial infetion and is on his 4 th round of antibiotics . He's a goer er smoker but quit about 2 years ago . He cannot shake the deep coughing he has and sees a GP , but won't go to a specialist He's 68 with a history of lung cancer in his family and I'm scared !