Sinus headaches and chronic sinusitis are very common complaints of patients presenting to an ENT office. However, many patients with such complaints end up having a problem completely unrelated to the sinuses. Indeed, not all facial pain is a sinus issue. Here are 16 different causes of facial pain from the common to the rare neurologic headaches along with the "typical" pain distributions and general treatment strategies for each. Keep in mind that the pain distributions are g…