There is no cure for EHV, but supportive care improves outcomes dramatically.
Typical treatment includes:
- Anti-inflammatory medications
- Fluids for hydration
- Antiviral medications in some cases
- Bladder support for neurologic horses
Most respiratory cases recover fully with rest. Neurologic cases require intensive care, sling support in some situations, and close monitoring.
Recovery timelines vary:
- Respiratory cases: 2–4 weeks
- Neurologic cases: Weeks to months
Can Vaccines Prevent an Outbreak? Yes—and No.
EHV vaccines are an important tool, but their role is often misunderstood.
What vaccines can do:
- Reduce severity of respiratory symptoms
- Reduce viral shedding
- Decrease risk in pregnant mares
What vaccines cannot guarantee:
- Full prevention of neurologic EHM
- A virus-proof barn
- Immunity during high-stress travel
Still, a well-timed vaccination schedule reduces overall outbreak severity, especially in show barns and breeding facilities.
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