You tell him that he does require an antibiotic because he is producing coloured sputum

Coughing up sputum irrespective of colour is not an indication for antibiotics.

You tell him that he does require an antibiotic because he has a fever and has had bronchitis every year

Except where the patient has an underlying medical condition such as COPD, where immediate antibiotics are recommended when he or she coughs up purulent sputum due to increased risk of bacterial infection, antibiotics are not required.

You tell him that no antibiotics are required because coughing is common in smokers

While Matt doesn’t need antibiotics, there is an opportunity to talk to him about how you can help him to stop smoking.

You tell him that no antibiotics are required

Sputum production is often a sign that a cold is actually coming to an end. Antibiotics are not effective for colds as they are caused by viral infections.