When nasal congestion or sinus pressure build, it can feel like a ton of bricks have landed on your head. However, many Mucinex Sinus-Max® products are designed to help clear up your stuffy nose, relieve headaches and thin and loosen excess mucus. Get the answers to common questions about sinus pressure and nasal congestion below, and find the right Mucinex Sinus-Max® product to provide the sinus pressure and nasal congestion relief that you need to feel better.