Baking soda (sodium bicarbonate), a common household product with numerous uses, can be harmful to pets if ingested in large quantities.

Signs and symptoms of toxicity: Vomiting is most often the first clinical sign of toxicity. Others signs may include diarrhea, depression, lethargy, tremors, seizures, shortness of breath, and disorientation. These signs have been reported within 3 hours of ingestion.

Toxic Consumption: Toxicosis may be seen with ingestion of 10-20 g/kg of body weight. This equates to approximately 2-4 teaspoons per kg of body weight.

Dogs: Baking Soda Toxic Consumption
X-Small Yorkie, Chihuahua	Small Pug, Boston Terrier, Poodle	Medium Beagle, Scottish Terrier	Large Boxer, Cocker Spaniel	X-Large Retriever, German Shepherd	XX-Large Great Dane, St. Bernard
1 – 10 lbs. (0.45 – 4.6 kg)	11 – 25 lbs. (5 – 11.4 kg)	26 – 40 lbs. (11.8 – 18.2 kg)	41 – 70 lbs. (18.6 – 31.8 kg)	71 – 90 lbs. (32.3 – 40.9 kg)	91 – 110 lbs. (41.4 – 50 kg)
> 0.3 Tbsp	> 3 Tbsp	> 7.5 Tbsp	> 12 Tbsp	> 21.5 Tbsp	> 27.5 Tbsp

Cats: Baking Soda Toxic Consumption
Most Cats	Large Cats
1 – 10 lbs. (0.45 – 4.6 kg)	11 – 25 lbs. (5 – 11.4 kg)
> 0.3 Tbsp	> 3 Tbsp

References:
– Osweiler, G, et al. (2011). Blackwell’s five-minute veterinary consult clinical companion. Small Animal Toxicology. [Kindle version]. Retrieved from Amazon.com