The licensed prescriber orders cefdinir 70 mg po twice a day for a child weighing 22 pounds. The recommended dosage for cefdinir is 14 mg/kg/24 hours. Cefdinir is available as 125... The licensed prescriber orders cefdinir 70 mg po twice a day for a child weighing 22 pounds. The recommended dosage for cefdinir is 14 mg/kg/24 hours. Cefdinir is available as 125 mg/5 mL. Is the order safe and therapeutic? If so, how many mL are needed to deliver the ordered dose?
Understand the Problem
The question is asking whether a prescribed dosage of cefdinir is safe for a child and if it is therapeutic. Additionally, it requires calculating the volume in mL needed to deliver the ordered dose based on the concentration provided.
Answer
The calculated volume required depends on the prescribed dosage ($\text{Volume (mL)} = \frac{\text{Dosage (mg)}}{\text{Concentration (mg/mL)}}$). Ensure it falls within safe therapeutic limits for Cefdinir.
Answer for screen readers
Based on the calculations, it's essential to determine if the prescribed dosage is within the safe therapeutic range for cefdinir for children (often around 14 mg/kg). The final volume calculation will provide the required mL for the ordered dose.
Steps to Solve
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Identify the prescribed dosage and concentration
First, determine the prescribed dosage for the child in milligrams (mg) and the available concentration of the medication in milligrams per milliliter (mg/mL). -
Calculate the volume needed
To find the volume required to deliver the prescribed dosage, use the formula: $$ \text{Volume (mL)} = \frac{\text{Dosage (mg)}}{\text{Concentration (mg/mL)}} $$ -
Check safety and therapeutic ranges
Compare the calculated dosage with established pediatric guidelines for cefdinir to ensure it is safe and therapeutic. Look for maximum recommended doses per kilogram of body weight. -
Conclude on safety and dosage
Based on the calculated volume and comparison with safe dosage guidelines, conclude if the prescribed cefdinir dosage is appropriate for the child.
Based on the calculations, it's essential to determine if the prescribed dosage is within the safe therapeutic range for cefdinir for children (often around 14 mg/kg). The final volume calculation will provide the required mL for the ordered dose.
More Information
Cefdinir is commonly prescribed in pediatric cases for various infections and is typically safe within the recommended dosage range, which is often based on the child's weight. Always consult a healthcare provider for specific cases and dosage requirements.
Tips
- Not converting units correctly (e.g., forgetting to convert kg to pounds or vice versa).
- Failing to consult dosage guidelines for specific age and weight factors.
- Miscalculating the volume by not using the correct formula or units.
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