blocked sinuses

Do Sinuses Plug Up In Cycles?

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Do Sinuses Plug Up In Cycles? The nasal cycle is the unconscious alternating partial congestion and decongestion of the nasal cavities in humans and other animals. This results in greater airflow through one nostril with periodic alternation between the nostrils. What causes your sinuses to plug? Nasal congestion can be caused by anything that irritates

What Causes Sinus Problems?

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What Causes Sinus Problems? What causes sinus problems? Infections in your respiratory tract — most commonly colds — can inflame and thicken your sinus membranes and block mucus drainage. These infections can be caused by viruses or bacteria. Allergies such as hay fever. Inflammation that occurs with allergies can block your sinuses. What is the