This is Dr. David
I am sorry about your husband.
you can try him on over the counter cough medications like Robitussin, Delsyn, Mucinex.
but if he has swelling of his airway from his cold, he could have bronchectasis, which will need a course of steroid medications to help calm down inflammation in his airway to help calm down cough after a cold lung infection.
he would need his doctor to give him a course of steroid medication
let me know if you have other questions.
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