Nasal-Eze is an effective product for horses showing  upper respiratory tract problems.
It is a 100% natural product and contains Menthol and four volatile oils in an anhydrous base.
The Menthol gives a cooling sensation to irritated nasal membranes and also helps clear the airways and bronchial passages.
 
Oils include - Eucalyptus Oil, Tee Tree Oil, Pine Oil and Oil of Thyme.