Ear, Nose & Throat

Greystone is using its PHI technology, anti-bacterial and anti-bio film agents in developing and full line of products which show safety and efficacy for intranasal use. Sinusitis is the most frequently reported disease in America with more than 35 million Americans suffering from one form of this disease. Technically, sinusitis is the inflammation of the sinus cavities usually due to a bacterial infection. Most cases of sinusitis are associated with a prior respiratory viral infection - cold or a respiratory allergy - or both.