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Mouth breathing is sometimes a necessary function, particularly when a respiratory infection closes the nasal passages with drainage However, consistent or chronic mouth breathing, especially in child...

The tonsils are two lumps of tissue on both sides of the back of the throat that act as the immune system’s first line of defense against bacteria and viruses that enter the mouth. This function...

Tongue-tie is a condition present at birth that restricts the tongue's range of motion. With tongue-tie, an unusually short, thick or tight band of tissue (lingual frenulum) tethers the bottom of the ...

Laryngopharyngeal reflex, LPR, occurs when stomach acid contents reflux all the way up to the esophagus and into the throat. When this happens, acidic material meets sensitive tissue at the back of th...

Adenoids are a patch of tissue that sits at the very back of the nasal passage. Adenoids help keep the body healthy by trapping bacteria and viruses that enter our bodies through breathing or swallowi...

Nasal obstruction occurs when the nasal passages are blocked or there is difficulty breathing through the nose. Nasal obstruction is not a disease but rather a symptom of an underlying cause that has ...

Cancerous (skin cancer) Skin cancer — the abnormal growth of skin cells — most often develops on skin exposed to the sun. But this common form of cancer can also occur on areas of your sk...

Head and neck cancers are a broad category of cancers that occur in the head and neck region. Head and neck cancer treatment depends on the type, location, and size of your cancer. Treatment for head ...

Rhinitis is the inflammation or irritation of the tissues that line the inside of your nose. Symptoms of rhinitis include runny or stuffy nose, coughing, mucus in the throat and sneezing. These sympto...

Nasal polyps are soft, painless, noncancerous growths on the lining of your nasal passages or sinuses. They hang down like teardrops or grapes. They result from chronic inflammation and are associated...