Puppies younger than 12 weeks must see a vet for the following: 

• Diarrhea that lasts for more than a day 
• Vomiting and diarrhea for more than 6 hours 
• Vomiting more than once in an hour 
• Not eating for more than 12-24 hours 
• Lethargy without fever for more than 12 hours 
• Lethargy with fever 

Dogs older than 12 weeks must see a vet for the following: 

• Diarrhea that lasts for more than 1-2 days 
• Diarrhea and occasional vomiting for more than a day 
• Vomiting more than 2-3 times in an hour 
• Not eating for more than 24 hours 
• Lethargy without fever for more than a day 
• Lethargy with fever 

Poisonous foods and household items 

Many household products can be toxic to dogs. Remove any rat or mouse poisonings, antifreeze and windshield wiper fluid from your home before adopting! Store cleaning products out of reach of pets.

The following common food items are poisonous for dogs:

• Chocolate
• Macadamia Nuts
• Mushrooms
• Caffeine
• Grapes/Raisins
• Onion and Garlic

See also Common Illnesses and Vaccinations & Worming