by Vonda J. Sines

Created on: June 06, 2010

When the vet diagnosed her three-year-old Golden Retriever with lead poisoning, April was shocked.  Where on earth did the dog find lead to ingest?  His symptoms were heart-wrenching.

It took a few hours and a thorough search of the house to discover the source.  The dog had been munching on some draperies in the rec room.  Inside the drapes were lead weights.

Causes

Lead poisoning or toxicity is officially known as plumbism, according to PetPlace.com.  Dogs manage to encounter lead in a number of different ways.  Perhaps most common is contact with lead-based paint, paint chips or paint dust during home remodeling or renovation.  Paints manufactured earlier than 1977 have high levels of lead.

Dogs sometimes grab lead weights used as fishing sinkers and lead pellets and shots used in guns.  In addition to drapery weights, common household items like rug padding, foil from bottle tops and linoleum have high lead contents. 

A dog might encounter plumbing and roofing material or automotive items like batteries, leaded gasoline, discarded oil and wheel weights.  Construction materials high in lead include solder, caulking and putty.

Critterology.com reports that dogs are more likely to be exposed to lead through household contamination than by pet toys.  Old paint contains a content that’s up to 40 percent lead.  Overall, lead absorption is greatest in young animals.

When a pregnant or nursing dog ingests lead, it can reach her puppies.  Lead toxicity can result in anemia, gastrointestinal issues and problems involving the nervous system.

Symptoms

Owners should be sure to call a vet promptly if they observe symptoms like loss of appetite, vomiting, diarrhea or abdominal pain.  A dog might also show anxiety, muscle tremors, weakness, lack of coordination or aggressive behavior.

Some pets experience seizures, blindness, deafness or mental dullness.  Behavioral changes might be apparent.  Increased thirst and urination, shortness of breath and not tolerating exercise are common.

Diagnosis and treatment

To diagnose lead poisoning, a veterinarian will take the dog’s complete medical history and perform a comprehensive physical exam.  Tests include a complete blood count (CBC), serum biochemistry evaluated at a lab and a measure of blood lead concentration.

Veterinarians also order X-rays of the dog’s abdomen and chest in an attempt to spot any lead objects

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