I had a cold 4 weeks ago. Went to Bulgaria for a week and felt poorly there too. The cold didn,t really materialise, but had a cough. Thi cough is still there now after 4 weeks. Woke up yesterday and had a swelling above by left cheekbone and eyeld was sore. Have taken the usual cough medicense
Thanks for your question on Chat Doctor. I can understand your situation and problem. Possibility of allergic inflammation is more in your case. Your Bulgaria visit might be the cause for this allergy. Change in environment can cause allergy and your symptoms like cough (not improving with routine Chat Doctor.  So get done eosinophil count and serum total IGE level. If these are raised than allergic etiology is confirmed. You will be benefited by combination of antihistamine and anti-allergic