Oleander:

All parts of oleander are considered poisonous as they contain cardiac glycosides that can have serious health effects on dogs. Dogs can experience gastrointestinal irritation, abnormal heart function, hypothermia, and even death.

Ricinus bean:

The toxic component of ricin is a highly toxic ricin, which can cause severe abdominal pain, drooling, vomiting, diarrhea, thirst, and fatigue in dogs. and loss of appetite. Severe cases of poisoning may cause dehydration, muscle twitching, tremors, convulsions, coma and death.

Cyclamen:

Cyclamen varieties contain a toxic ingredient, but the highest concentration of this toxic ingredient is found in the roots of the plant. If accidentally ingested, dogs will develop significant gastrointestinal irritation symptoms, including severe vomiting. In some cases, it may also lead to the death of the dog.

Kalanchoe flower:

Kalanchoe flower contains ingredients that can irritate the dog’s gastrointestinal tract and seriously affect the rhythm and speed of the dog’s heart.

Yew:

Yew contains toxic ingredients that can affect the central nervous system of dogs, such as tremors, uncoordinated movements, and difficulty breathing. It can also cause significant gastrointestinal irritation and heart failure, which can lead to death in dogs.