1. •Garlic
   

2. •Grapes and Raisins (small amounts have caused death in some dogs)
   

3. •Hops (used in home beer brewing)
   

4. •Macadamia nuts
   

5. •Moldy or spoiled food
   

6. •Mushroom plants
   

7. •Mustard seeds
   

8. •Onions or onion powder
   

9. •Peach pits
   

10. •Potato leaves or stems
    

11. •Rhubarb leaves
    

12. •Salt
    

13. •Sugarless candy and gum containing Xylitol
    

14. •Tea
    

15. •Tomato leaves and stems
    

16. •Walnuts
    

17. •Yeast dough
    

Other items that are Poisonous to your Dog

Warm Weather Hazards 

1. •Animal toxins: toads, insects, spiders, snakes and scorpions
   

2. •Blue-green algae in ponds
   

3. •Citronella candles
   

4. •Cocoa mulch
   

5. •Compost piles fertilizers
   

6. •Flea products
   

7. •Outdoor plants and plant bulbs
   

8. •Swimming-pool treatment supplies
   

9. •Fly baits containing methomyl
   

10. •Slug and snail baits containing metaldehyde
    

Medication 
Common examples of human medications that can be potentially lethal to pets, even in small doses, include:

1. •Ibuprofen, aspirin
   

2. •Acetaminophen
   

3. •Cold medicines
   

4. •Anti-cancer drugs
   

5. •Antidepressants
   

6. •Vitamins
   

7. •Diet pills
   

Cold Weather Hazards

1. •Antifreeze
   

2. •Liquid potpourri
   

3. •Ice melting products
   

4. •Rat and mouse bait
   

5. •Common Household Hazards
   

6. •Fabric softener sheets
   

7. •Mothballs
   

8. •Post-1982 pennies (due to high concentration of zinc)
   

9. •Batteries
   

10. •Bread twist ties
    

11. •Cotton swabs
    

Holiday Hazards 

1. •Christmas tree water (may contain fertilizers and bacteria, which, if ingested, can upset the stomach)
   

2. •Electrical cords
   

3. •Ribbons or tinsel (can become lodged in the intestines and cause intestinal obstruction -- most often occurs with kittens!)
   

4. •Batteries
   

5. •Glass ornaments 
   

Nontoxic Substances for Dogs and Cats
The following substances are considered to be nontoxic, although they may cause mild gastrointestinal upset in some animals:

1. •Water-based paints
   

2. •Toilet bowl water
   

3. •Silica gel
   

4. •Poinsettia
   

5. •Cat litter
   

6. •Glue traps
   

7. •Glow jewelry
   

Ten Most Common Poisonous Plants 

1. •Sago Palm
   

2. •Lilies
   

3. •Tulip/Narcissus bulbs
   

4. •Azalea/Rhododendron
   

5. •Oleander
   

6. •Castor Bean
   

7. •Cyclamen
   

8. •Balanchine
   

9. •Yew
   

10. •and during Holiday time ~ Poinsettia