Given Singapore’s humid climate and urban setting, respiratory conditions such as the common cold and sinus infections tend to be relatively common year-round. While their symptoms can overlap, their distinct causes require different treatments.

First, the ENT doctor will review the patient's symptoms, inquire about any history of allergies or other relevant medical conditions, and perform a physical examination. Additional diagnostic tests may then be performed, including:

Chronic sinusitis and other sinus-related conditions can cause persistent discomfort and disrupt daily life. While medications like nasal sprays, antibiotics, and corticosteroids effectively manage many cases, some individuals find insufficient relief.