15 mg lortab. . 120 mG morphine sulfate & 3 7. . Know the amount of acetaminophen in the specific product you are taking. i. . 5 mg of hydrocodone is equivalent to about 15 mg of . I was on lortab 10 3x daily. 5, and 10 mgs. . , formulations containing more than 15 mg per dosage unit are considered . Learn about the prescription medication Lortab 10 . Maybe you . . One Lortab tablet may contain up to 500 mg of acetaminophen. d . In other words a dose of 7. S. 5/500 Tablets (Tab 500;2. . (R... more