Health authorities alert international travelers about the dangers of methanol poisoning, which can mimic common hangover symptoms. This toxic substance, sometimes found in counterfeit or homemade alcoholic beverages in certain regions, poses serious health risks including blindness and death. Understanding the distinct warning signs—such as severe headaches, vision problems, and abdominal pain—is crucial for travelers to seek immediate medical attention rather than dismissing symptoms as typical alcohol aftereffects.

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