Yes, the cough and mucous production can certainly be made worse by anxiety. However, it is important to make sure that it isn't anything more serious before attributing the symptoms to anxiety.
The presence of cough and mucous production is not in itself evidence of stress-related asthma. To definitely diagnose asthma, you may need to inquire about pulmonary function tests, or a methacholine-challenge test - normally ordered by a pulmonologist.
Followup with your personal physician is
essentialEssential balance
Essential hypertension
Essential tremor.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Thanks,
Kevin, M.D.