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Does the route of exposure to methanol affect methanol poisoning?

The route of exposure can affect the course of methanol poisoning in your body. Methanol exposure can occur through various routes; it can be ingested by mouth as a liquid, inhaled through the lungs as a vapor, or absorbed through the skin as a liquid.

Most cases involve oral ingestion, and in such cases the usual course of events is an initial drunkenness followed by a symptomless period before the development of later symptoms, including visual impairment. Topical exposure can cause local skin irritation and, if large quantities are involved, can result in methanol vapor exposure. Excessive exposure to high quantities of methanol vapors can cause poisoning similar to that following oral ingestion. In the industrial setting, workers who are often exposed to methanol by inhaling its vapors may not have the usual initial drunken state, and their first symptoms may be visual impairment.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.