Two Easy Ways to Start Earning Rewards!
Earn 2X Pals Rewards points at Petco
when you use Petco Pay!
Updated on September 23rd, 2025
Pet's info: Dog | Cocker Spaniel | Female | spayed | 4 years and 11 months old | 33 lbs
My dog is a 33 lb cocker spaniel 5 years old and she has fleas. I gave her sentry last night and it barely did anything to help. Can I give her Capstar tonight?
1 Answer

Answered By Dr. Melanie, BVSc MS
Veterinarian
Published on August 29th, 2018