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Section: Information In-depth
Lead toxicity may be acute, due to ingestion of a lead object, or it may be chronic due to repeated chewing of lead paint or grooming the dust of lead paint from the skin and fur. The most common route of exposure is ingestion but lead paint dust may also be inhaled. Lead toxicity primarily affects the nervous system and gastrointestinal system. Common neurological symptoms include sudden onset of seizures, blindness, behavior changes, hysteria, chomping, muscle spasms and circling. Lead crosses the placenta and is excreted in milk, so it can affect unborn fetuses and nursing young.Gastrointestinal signs include abdominal pain, loss of appetite, vomiting, and constipation or diarrhea. Some animals develop megaesophagus (enlargement of the esophagus and decreased ability to move food from the mouth to the stomach) resulting in regurgitation. Aspiration pneumonia may result from regurgitation.
A seizure (convulsion) is a series of involuntary contractions of the voluntary muscles, abnormal sensations, abnormal behaviors or some combination of these events. Seizures are symptoms – they are not...
Megaesophagus is a condition of the esophagus where there is decreased or absent movement. This can be caused by a variety of nerve or muscle diseases and most often causes regurgitation.
Zinc toxicity is a fairly uncommon disorder caused by ingestion of zinc-containing foreign bodies, most commonly pennies minted after 1982, and is most often seen in young dogs.
Iron is a chemical element that is normally important to red blood cell production in the body. Iron toxicity typically occurs after accidental ingestion of the supplements or from overdoses of supplements....
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