Hi tiffany. The Vicodin HP means it has more hydrocodone 10mg and 660mg of acetaminophen. Compared to Vicodin ES which has 7.5mg hydrocodone and 750mg of acetaminophen.
The maximum dose of Vicodin HP should not exceed more than 6 pills per day due to the high acetaminophen content. The maximum dose of Vicodin ES should not exceed 5 pills per day.
Sorry, but I looked everywhere for HP and could not find what it means. The ES is obviously Extra Strength. But the info I found above is correct.
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