Is it harmful to inhale freon gas?

Freon: Freon gas inhalation has a number of minor symptoms. Inhaling low levels of freon, such as during a refrigerator leak, typically causes headaches, dizziness and lightheadedness. Some people also experience nausea and vomiting. These symptoms are most likely in small children after accidental inhalation. Rarely, people experience intense abdominal pain, blood in vomit and bloody stool. Banned 1994.