Can I Give My Dog Colace?

Yes, with care
Docusate sodium is commonly referenced for dogs at published doses. Published guidance for dogs: small: 25-50 mg; medium/large: 50-100 mg, every 12-24h, max 2-3 days. Stool softener. PEG3350 usually preferred first.
Source: Veterinary Partner (VIN)
Get the exact range for your dog's weight

Skip it or ask a vet first if

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The safe habit

Confirm any medication decision with your veterinarian, who knows your dog's health history and other medications. VetDose shows published reference data, not prescriptions.