Sinus pressure can make your head feel heavy, your face feel sore, and your breathing uncomfortable. But sinus pressure alone doesn’t always mean you have a sinus infection. Allergies, colds, and seasonal changes can also cause congestion and swelling in the sinus cavities. The key is understanding when sinus pressure becomes severe enough to indicate sinusitis - an infection that requires proper diagnosis and treatment. Recognizing the differences can help you decide when home care ...