nasal â(plural nasals). 1  An elementary sound which is uttered through the nose, or through both the nose and the mouth simultaneously, such as m and n. ( 2 medicine, archaic) A medicine that operates through the nose; an errhine.
Sinusitis vertigo and dizziness are complications of a sinus infection. Caused by bacteria, a virus, or fungus, sinusitis is inflammation of the sinuses. The sinuses are four hollow cavities in the human skull and are important parts of the immune system as they provide defense against infection. The sinuses are lined with mucous, which expels pollutants and bacteria from the body. It is common for the infection that causes colds to also affect the sinuses and can contribute to dizziness. The dizziness is a result of fluid build-up in the ears that puts pressure on the eardrum and inner ear.
Balance and hearing disorders, head trauma, migraines, and cold viruses or ear infection are all common causes of vertigo. Other causes may include medications or blood pressure problems. What all these conditions have in common is that they affect the inner ear, which helps keep us balanced. When there is a dysfunction of the inner ear, this can affect the sense of balance, leading to symptoms of vertigo, dizziness, nausea, vomiting, and loss of balance.