Emergency After Hours Specialist Centres - please check www and phone first.  Also, please be aware that these services do charge fees, payable up front or by substantial deposit :

1. Veterinary Emergency Care - Campbelltown:

https://www.veca.com.au/

Campbelltown - 5/10 Blaxland Road, Campbelltown, NSW T: (02) 9129 5888

2.  Animal Referral Hospital:

https://www.emergencyvet.com.au/

1. Homebush (02) 9758 8666  - recommended
2. Baulkham Hills  (02) 9639 7744
3. Wollongong (02) 4283 8432
4. Canberra (02) 6280 6344

3.  Veterinary Specialists of Sydney (VSOS)

https://vsos.com.au/

1. Miranda (02) 8376 8767 - recommended

4.  Small Animal Specialist Hospital (SASH)

https://sashvets.com/

1. North Ryde  (02) 9199 7250 - recommended
2. Prospect (02) 9061 6836