Author: Dr. Martha M. Faraday (Ph.D.)

USING EPM MEDICATIONS TO PREVENT EPM INFECTIONS

USING EPM MEDICATIONS TO PREVENT EPM INFECTIONS

This entry is part 2 of 2 in the series 2024 Series on EPM

Should equine protozoal myeloencephalitis (EPM) medications be given long term to horses who do not currently have EPM in order to prevent infection?  The current typical protocols are to give a low dose daily or twice weekly.  This practice was rare a few years ago but is now becoming more common, particularly in areas of…

Equine Protozoal Myeloencephalitis (EPM)

Equine Protozoal Myeloencephalitis (EPM)

This entry is part 1 of 2 in the series 2024 Series on EPM

What is EPM?

EPM is a parasitic infection of the central nervous system caused by a single-celled microscopic organism called a protozoa (protozoa are not worms and are not killed by worming). The protozoa associated with most EPM infections appears to be Sarcocystis Neurona (S. neurona). Other protozoa also may be involved, including Neospora Hughesi (N. hughesi).