PupkeeperToxicEmergency
Dog ate cough and cold medicines? Toxic: what to do now
Cough and cold medicines mix several drugs that can poison dogs, and some contain xylitol, which is very toxic to dogs.
If your dog ate or touched this, call your vet or a pet poison line now
United States
Poison lines in other countries: United Kingdom, Canada, Australia, New Zealand, Belgium, France, JM, PR, Singapore, Switzerland, TT, VI
Cough and cold medicines and dogs: key facts
What should I do if my dog ate cough and cold medicines?
- Call your vet or a pet poison line now.
- Keep the packaging and bring it with you.
- Read the full ingredient list to the vet, including any xylitol.
Don't
- Don't make your dog vomit unless a vet tells you to.
Symptoms to watch for
- Nausea or vomiting
- Low energy
- Collapse
- Slow breathing
- Agitation or shaking
- Wobbly walking
Why
These products may combine decongestants, pain relievers like acetaminophen, antihistamines, cough suppressants, opioids or menthol. Some cough drops and medicines are sweetened with xylitol.
Sources
- Pet Poison Helpline: Cough Medicine
- Merck Veterinary Manual: Toxicoses in Animals From Human Cold and Allergy Medications
Guide reviewed 9 October 2026. Page updated 7 November 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.