[Miss Pepper]

Hey guys. We live in a small town close to a factory that pushes a lot of junk in to the air, this causes Sammy and Pepper to have extreme Sinus/allergies. I would just like to find out if any one on the forum have a solution on how we can remedy their sinus\allergies. I am looking for something that they can use daily without causing dependence on the product. Please help me Sammy gets it so bad that mucus comes out of his nose and his bark almost totally disappears as the sinus is not treated effectively and this causes him to develop full on laryngitis. I am really desperate!