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

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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)
dog1 dog2 dog3 dog4 dog7 dog6
> 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)
cat1 fat cat
> 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