An 11 ½-pound toy poodle is prescribed Ketoconazole at a recommended dose rate of 10 mg/kg, PO, bid. If the Ketoconazole tablets are 100 mg each, how many milligrams(rounded up or down to the nearest whole number) would this dog need and how often?
  1. 50 mg twice daily
  2. .25 mg once daily
  3. 110 mg twice daily
  4. 250 mg once daily
Explanation
Answer - A - 50 mg twice daily. The weight must be converted to kilograms. Since 1 kilogram equals 2.2 pounds, you would divide 11.5 by 2.2. The result is 5.23 kilograms. Then, the recommended dosage (10 mg) is multiplied by the total kilograms. The result is 52.3 mgs, which rounded down to the nearest whole number, is 50 mg. BID means twice daily.
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