What is leading to my sinus/cough/chest congestion issues?

Allergies. Most likely related to either seasonal or perennial allergies. Also could be caused by a deviated septum. Xrays would be helpful.

Related Questions

I am experiencing chest congestion and sinus pain.

Sinusitis. Sinusitis is a common problem and caused usually by viral infection It might take few 2 or more weeks to clear up Dripping of the secretions to the chest might happen and this irritate the throat and causes coughing You need rest, anti histamine and hot fluids Lying with head in more sitting position might help reducing the congestion See your doctor if the condition persists for longer time. Read more...
Chest congestion. Chest congestion and sinus pain may be upper respiratory tract infection. Saline water gargles, antihistamine use or antibiotics may be necessary. Appointment is recommended. Read more...