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How Long Does Milk of Magnesia Take to Work?

Factors Affecting the Onset of Action The onset of action of Milk of Magnesia, also known as magnesium hydroxide, can be influenced by various factors. One of the most significant factors is the individual’s digestive system. For some people, the laxative effect may begin as soon as 30 minutes after ingestion, while for others, it may take up to six…