If your pet is experiencing a life-threatening emergency, please get them to the nearest Connecticut-area stationary veterinary practice or emergency facility.
Dr. Gwenn recommends the following 24-hours a day/365 days of the year clinics:

Ocean State Veterinary Specialists
1480 South County Trail
East Greenwich, RI 02818
Phone: 401-886-6787

Tufts School of Veterinary Medicine
Foster Hospital for Small Animals
Cummings Veterinary Medical Center
55 Willard Street
North Grafton, MA 01536
Phone: 508-839-5359, Option 3

Pieper Memorial Emergency Veterinary & Specialty Center
730 Randolph Road
Middletown, CT 06457
Phone: 860-347-8387

Bolton Animal Hospital
222 Bolton Turnpike
Bolton, CT 06043
Phone: 860-646-6134