Introduction: Alcohols are widely used chemical compounds in the medical field, particularly in disinfection and pharmaceutical production. Despite their benefits, some alcohols can be highly toxic when misused or consumed in large amounts. Types of Toxic Alcohols: The most important toxic alcohols include: Ethanol Methanol Isopropanol Methanol is considered the most dangerous, as it can cause blindness or death. Routes of Exposure: Ingestion Inhalation Skin absorption Toxic Effects: Toxic alcohols primarily affect the central nervous system and may damage the liver and kidneys. Methanol is metabolized into highly toxic substances that damage the optic nerve. Symptoms: Dizziness Nausea and vomiting Blurred or lost vision Difficulty breathing Loss of consciousness Treatment: Treatment includes the administration of antidotes such as ethanol or fomepizole, along with dialysis in severe cases. Prevention: Proper use of alcohol-based products Keeping them away from children Ensuring proper ventilation Avoiding unknown or unsafe products Conclusion: Medical alcohols are a double-edged sword; they can be beneficial or harmful depending on their use. Awareness and proper handling are essential to prevent toxicity. Al _ Mustaqbal University, the first university in Iraq