Here are some symptoms that your dog might experience if they have taken Tylenol PM:
* Vomiting
* Diarrhea
* Lethargy
* Loss of appetite
* Pale gums
* Yellowing of the skin or eyes
* Seizures
* Death
If you notice any of these symptoms, please take your dog to the vet immediately. The sooner your dog receives treatment, the better their chances of recovery.