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It depends on the horse, the amount of the dewormer given, and what type of dewormer was used, but typically it takes about two to three for it to clear out of a horses system, but it can take up to or over a month.

It depends on the horse, the amount of the dewormer given, and what type of dewormer was used, but typically it takes about two to three for it to clear out of a horses system, but it can take up to or over a month.

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10y ago

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