Ingestion causes poisoning, and it can also cause severe eye damage on contact.
Keep substances that contain ethylene glycol out of the reach of children and counsel persons who may abuse it. The first effect of ethylene glycol ingestion is a sense of inebriation similar to the feeling caused by drinking alcohol. Within a few hours, the toxic effects are evident, including nausea, vomiting, confusion, convulsions, or even coma. Many organs are damaged by ethylene glycol toxicity, including the brain, heart, lungs, liver, kidneys, eyes, and muscles. This can cause severe disturbances in the body's chemistry, including metabolic acidosis , which is a buildup of acid in the blood.