Headaches are one of the most common health complaints, and they can strike for a variety of reasons. If you’re dealing with facial pressure, congestion, or seasonal allergies, it’s easy to assume your headache is sinus-related. But not all headaches are caused by your sinuses, and misidentifying the source can delay proper treatment. So, how can you tell whether your headache is truly from your sinuses or something else entirely? Understanding the differences ...