Cough with thick green phlegm. no fever. family history of hodgekins lymphoma.

Treatment: You should see your doctor to be evaluated and treated for cough, Hodgkin lymphoma usually present with enlarging lymph nods in any [place in body and Pet Ct and biopsy require for diagnosis.

Congestion.: In general this could represent allergies or infection, the latter usually being related to the throat, sinuses or lungs. An evaluation by a physician would be wise, as treatment may be necessary, or at least helpful.