What Are Paranasal Sinuses? Defining Paranasal Sinuses
What are paranasal sinuses?
Paranasal sinuses are air-filled spaces in the bones of the face and skull that help warm, moisten, and filter the air we breathe.
How many paranasal sinuses do humans have?
Humans have four paranasal sinuses: the maxillary, ethmoid, frontal, and sphenoid sinuses.
What is the function of paranasal sinuses?
Paranasal sinuses help reduce the weight of the skull, enhance the resonance of the voice, and produce mucus that helps to moisturize and protect the nasal passages.
What are the common symptoms of sinusitis?
Common symptoms of sinusitis include facial pain or pressure, nasal congestion, postnasal drip, headache, cough, and fatigue.
How is sinusitis treated?
Treatment for sinusitis may include over-the-counter medications for pain and congestion, nasal saline irrigation, antibiotics, and in some cases, surgery.
What is allergic rhinitis?
Allergic rhinitis is an allergic reaction that causes inflammation of the nasal passages and symptoms such as sneezing, runny nose, and itching.
How do paranasal sinuses play a role in allergic rhinitis?
Paranasal sinuses can become inflamed and blocked during allergic rhinitis, leading to increased pressure and pain in the face and head.
Can allergies cause sinus infections?
Yes, allergies can increase the risk of developing sinus infections, as the inflamed and blocked nasal passages create a breeding ground for bacteria.
How can allergies be managed to reduce sinus-related symptoms?
Allergies can be managed with medications such as antihistamines and nasal corticosteroids, as well as allergy shots or sublingual immunotherapy. Avoiding known allergens can also help reduce symptoms.