Hi welcome to Health care magic forum.
Thanks for calling H.C.M.F.
As you describe you had an upper respiratory disease, and got relief with the inhalation. You had reinfection you had lost vice temporarily. all this suggest allergic cough
Series of tests are on and you have reached to infectious disease hospital .
i suppose a cough of more than 1 month duration must be tuberculosis
of chest, May be primary or secondary. The lymph
nodes also are suggestive of possibility to be tuberculosis.
I advise you to consult a T.B.specialist, or a chest physician for diagnosis and treatment.Dont worry you will be fine after treatment.