Question

a child is receiving haldol 1 mg po bid. the recommended dosage for haldol is 0.05 to 0.075 mg/kg/day. if a child weighs 20 kg. 1) what is the minimum and maximum safe dosage range for this child? 2) is the daily dosage safe?

Explanation:

Step1: Calculate the minimum safe dosage

Multiply the minimum dosage per - kg ($0.05$ mg/kg) by the child's weight (20 kg).
$0.05\times20 = 1$ mg/day

Step2: Calculate the maximum safe dosage

Multiply the maximum dosage per - kg ($0.075$ mg/kg) by the child's weight (20 kg).
$0.075\times20=1.5$ mg/day

Step3: Determine the daily dosage the child is receiving

The child is receiving 1 mg PO BID (twice - a - day), so the daily dosage is $1\times2 = 2$ mg/day.

Step4: Check if the daily dosage is safe

Compare the daily dosage the child is receiving (2 mg/day) with the safe dosage range (1 - 1.5 mg/day). Since $2>1.5$, the daily dosage is not safe.

Answer:

1. The minimum safe dosage is 1 mg/day and the maximum safe dosage is 1.5 mg/day.
2. No, the daily dosage is not safe.