You should refer a customer to the pharmacist if they:

• Have symptoms which are severe or last longer than 10 days
• Have a fever lasting for more than three days
• Produce nasal discharge that is yellow/green and accompanied by sinus pain or pressure
• Have blood in their nasal discharge or a persistent clear discharge after a head injury
• Notice a change in vision or swelling around their eyes
• Are a baby with nasal congestion that is causing feeding difficulties
• Are a child who may have a foreign object inside their nose
• Have symptoms that initially improve but then worsen
• Are taking prescribed medication for a long-term medical condition
• Have symptoms that persist despite the use of appropriate OTC medication.