A review of the 319 cases indicated. that the development of methemoglobinÂ­. emia after treatment with benzocaine. sprays may not be related to the amount. applied. In many cases, methemoglobinÂ­. emia was reported following the adminÂ­. istration of a single benzocaine spray.
Equine Influenza (flu). Equine influenza (flu) is the most common viral respiratory disease in horses. It affects the upper and lower respiratory tract of horses and is highly infectious, with an incubation period of 1 to 3 days.After contracting the virus, horses can remain contagious for up to 10 days.quine influenza (flu) is the most common viral respiratory disease in horses. It affects the upper and lower respiratory tract of horses and is highly infectious, with an incubation period of 1 to 3 days. After contracting the virus, horses can remain contagious for up to 10 days.
Types of Worms. There are many species of worms that affect horses, but the most important ones are listed below. Large Red Worms (Strongyles). These are the type of worm which in the past owners and vets were most concerned about.The life cycle of these species involves migration of larvae from the bowel into the abdomen, before returning back to the bowel as adult worms.hese are the type of worm which in the past owners and vets were most concerned about. The life cycle of these species involves migration of larvae from the bowel into the abdomen, before returning back to the bowel as adult worms.