From Chrome Tegretol 200 mg bid is ordered for a child that weighs 78 pounds. The recommended dosage for a child is 10-20 mg/ kg/24 hours divided into two doses. The bottle reads Tegretol suspension 100mg/5mL. Is the dosage safe?

Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
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**Tegretol Dosage Calculation for Pediatric Use**

*A case study for health education purposes*

**Scenario:**
A prescription is written for Tegretol at a dosage of 200 mg to be administered twice a day (bid) for a child weighing 78 pounds.

**Recommended Dosage:**
- The standard recommended dosage for Tegretol in children is 10-20 mg per kilogram of body weight per 24 hours, divided into two doses.

**Medicine Information:**
- The Tegretol suspension is labeled as 100 mg per 5 mL.

**Dosage Assessment:**
To determine if the prescribed dosage is safe, first, convert the child's weight from pounds to kilograms:
- 78 pounds ≈ 35.4 kilograms (using the conversion factor 1 kg = 2.2 lbs)

Calculate the recommended dosage range:
- Minimum: \(10 \text{ mg} \times 35.4 \text{ kg} = 354 \text{ mg}\)
- Maximum: \(20 \text{ mg} \times 35.4 \text{ kg} = 708 \text{ mg}\)

Since the total daily prescribed dosage is \(200 \text{ mg} \times 2 = 400 \text{ mg}\), it falls within the recommended range of 354-708 mg.

**Conclusion:**
The current prescription of 200 mg bid (400 mg daily) for the child weighing 78 pounds (35.4 kg) is considered safe.

**Practical Application:**
Healthcare professionals should carefully compute dosages based on weight and standard guidelines, and ensure that prescriptions fall within the safe range.
Transcribed Image Text:**Tegretol Dosage Calculation for Pediatric Use** *A case study for health education purposes* **Scenario:** A prescription is written for Tegretol at a dosage of 200 mg to be administered twice a day (bid) for a child weighing 78 pounds. **Recommended Dosage:** - The standard recommended dosage for Tegretol in children is 10-20 mg per kilogram of body weight per 24 hours, divided into two doses. **Medicine Information:** - The Tegretol suspension is labeled as 100 mg per 5 mL. **Dosage Assessment:** To determine if the prescribed dosage is safe, first, convert the child's weight from pounds to kilograms: - 78 pounds ≈ 35.4 kilograms (using the conversion factor 1 kg = 2.2 lbs) Calculate the recommended dosage range: - Minimum: \(10 \text{ mg} \times 35.4 \text{ kg} = 354 \text{ mg}\) - Maximum: \(20 \text{ mg} \times 35.4 \text{ kg} = 708 \text{ mg}\) Since the total daily prescribed dosage is \(200 \text{ mg} \times 2 = 400 \text{ mg}\), it falls within the recommended range of 354-708 mg. **Conclusion:** The current prescription of 200 mg bid (400 mg daily) for the child weighing 78 pounds (35.4 kg) is considered safe. **Practical Application:** Healthcare professionals should carefully compute dosages based on weight and standard guidelines, and ensure that prescriptions fall within the safe range.
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