It is normal to feel some stress during pregnancy. Your body is going through many changes, and as your hormones change, so do your moods. Too much stress can cause you to have trouble sleeping, headaches, loss of appetite, or a tendency to overeatâall of which can be harmful to you and your developing baby. High levels of stress can also cause high blood pressure, which increases your chance of having preterm labor or a low-birth-weight infant.
1 Arborvitae: Plants toxic to dogs that can cause poisoning if eaten in large quantity. Look for skin allergic reaction. 2  Arrowgrasses: leaves can be toxic.  Arrowhead vine: can cause swelling in the mouth, swalloing difficulty, breathing problems, stomach upset.
Poisonous Plants and Your Dog. Plants That Can Harm Your Dog. Many types of plants and flowers can be poisonous to your dog. Effects range from mild to severe depending on the type of plant and the quantity consumed. Some plants will only cause slight stomach upset, while others can cause seizures, coma or even death.