Windshield wiper fluid (Methanol) poisoning
About Windshield wiper fluid (Methanol) poisoning
Methanol is found in canned heating sources, antifreeze, windshield wiper fluid, fuel additives, and paint removers. Ingestion can be intentional or accidental. Methanol is converted into toxic metabolites that can cause blindness, confusion, and gastrointestinal symptoms. If left untreated it can be deadly.Symptoms
Vomiting, abdominal pain, blurry vision, blindness, confusion, lethargy, seizures, coma, low blood pressure, severe metabolic derangements, and death.Tests & Diagnostics
A history and physical exam will be performed. Blood tests to help make the diagnosis and check for electrolyte imbalances, and kidney and liver injury. An arterial blood gas will be done to measure the acid content in the blood.Common tests: BHCG, Complete blood count (CBC), Comprehensive metabolic panel (CMP), CT angiogram of the neck, EKG, Urinalysis (UA), X-ray.
Conventional treatment summary
Fomepizole is administered to prevent further metabolism of methanol. Severe intoxications will require dialysis. Supportive treatment including mechanical ventilation and intravenous fluids may be required. For more information and help call your local poison center at 1-800-222-1222.Medical specialties
Medical Toxicology
This page is educational content, not medical advice. Always consult a qualified clinician for diagnosis and treatment of Windshield wiper fluid (Methanol) poisoning.