Is boric acid harmful to dogs?

Mined from the earth in the form of borate salts, this substance is toxic to animals or humans when ingested or inhaled. Dogs are most likely to contact boric acid when sniffing around areas treated with the powder as an insecticide. read more

In animals, boric acid toxicity is connected to blood conditions and problems with the endocrine system. Toxicity in pets tends to be more severe based on the animal's size. Smaller pets, such as dogs, cats and hamsters, are more likely to experience dangerous symptoms. read more

The low toxicity of boric acid makes a few licks relatively harmless to large and medium-size dogs. Toy dogs are at greatest risk for toxic ingestion, with as little as .02 ounce (631 milligrams) of boric acid per pound of body weight creating noticeable toxic effects. read more

However, if the pet ingested large amounts or is a small dog, you will need to seek veterinary care. Symptoms of poisoning in a dog, including poisoning by boric acid, are lethargy or sluggishness, vomiting, lack of appetite, stumbling, staggering, difficult breathing or seizure. read more