1 24-hour emergency animal hospital in Londonderry — open now, no appointment needed
If your pet needs emergency care in Londonderry, New Hampshire, the hospitals listed above are open 24 hours a day, 7 days a week including holidays. No appointment is required for emergency cases — walk in any time. For life-threatening situations, call ahead so staff can prepare. All listed hospitals offer emergency triage, critical care, and after-hours veterinary services.
Get priority placement with a Featured Listing. Starting at $149/month — no contract required.
Claim Featured Listing →When your pet needs emergency care in Londonderry, NH, time is critical. VetUSA lists every 24-hour emergency animal hospital in Londonderry — all open around the clock with no appointment needed. Emergency services available in Londonderry include trauma care, critical care, surgery, advanced diagnostics, imaging, and overnight hospitalization. Whether your dog was injured, your cat is in distress, or you face any urgent pet health crisis, Londonderry emergency vets are ready to act immediately, 24 hours a day, 7 days a week, 365 days a year. All hospitals listed serve Londonderry and surrounding areas in New Hampshire. Find the nearest 24-hour emergency animal hospital in Londonderry and get your pet seen right now — no referral, no appointment, no wait.