Symptoms of antifreeze poisoning usually present in three stages:
Stage 1: This occurs within the first 12 hours and includes symptoms such as nausea, vomiting, headaches, and central nervous system depression, mimicking alcohol intoxication. Stage 2: Occurring 12 to 24 hours post-ingestion, symptoms may include increased heart rate, high blood pressure, and metabolic acidosis. Stage 3: This stage occurs 24 to 72 hours after ingestion and is characterized by severe kidney failure due to calcium oxalate crystal formation in the kidneys.
