While your question mentions both dogs and cats, I can provide information specifically about dogs. Identifying plant poisoning in dogs involves observing symptoms such as vomiting, diarrhea, drooling, lethargy, and in severe cases, seizures or difficulty breathing. Common plants that are toxic to dogs include:

1. **Sago Palm**: All parts are toxic, especially the seeds. Symptoms include vomiting, diarrhea, and liver failure.
2. **Azaleas**: Can cause vomiting, diarrhea, and potentially fatal heart arrhythmias.
3. **Lilies**: Particularly harmful to cats, but dogs can also experience gastrointestinal upset.
4. **Oleander**: Highly toxic, can cause severe heart issues.

If you suspect your dog has ingested a toxic plant, it's crucial to act quickly. Here are steps to take:

1. **Identify the Plant**: If possible, take a photo or a sample of the plant to show your veterinarian.
2. **Contact Your Veterinarian**: Provide them with details about what your dog may have eaten and the symptoms you are observing.
3. **Follow Their Instructions**: They may advise you to induce vomiting (only if instructed) or bring your dog in for treatment.
4. **Treatment Options**: Treatment may include activated charcoal to prevent further absorption of toxins, IV fluids for hydration, and medications to control symptoms like vomiting.

Prevention is key! Keep harmful plants out of reach, educate yourself about toxic plants, and consider using non-toxic alternatives in your home and garden.

Always consult your veterinarian for the best course of action if you suspect poisoning. Quick response can save your dog's life!

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Topics covered in this question:

Dog Health Emergency Care Pet Care Toxic Plants Plant Poisoning