Emergency vets in Missouri
2 clinics in Missouri advertise emergency or 24-hour services. Pick a city below, or scan the full list. Call before you drive — availability changes without notice.
Red markers = emergency clinics. Click a marker for details.
By city
Cities with dedicated emergency listings are marked; every city page also shows the nearest emergency hospitals and all local vets.
All emergency listings in Missouri
Animal Emergency Clinic
24/7 per posted hours
334 Fort Zumwalt Square, O'Fallon, MO 63366
Verified 2026-07-27