Migraines and sinus headaches are often confused because they can share facial pain, congestion, and watery eyes—but they are fundamentally different conditions that require different treatments. Migraines are a neurological disorder commonly associated with throbbing head pain, nausea, and sensitivity to light and sound, while true sinus headaches result from inflamed or infected sinus cavities and are typically accompanied by thick nasal discharge, fever, and pain that wors