Recomended dose by body weight
6. Patient-based Dose 6.2) Body Weight 6.2.1) Body weight General
6.2.1.1) Drug dose based on body weight Easy 1
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A pharmacist compounds a suspension from a novel drug capsules to contain 25 mg of drug per milliliter. Using Table shown, calculate the single dose in milliliters for a pediatric patient weighing 21.7 lb.
| Body Weight | Recomended dose x 5 days |
|---|---|
| 15kg or less | 300 mg twice daily |
| 15.1to 23 kg | 450 mg twice daily |
| 23.1to 40 kg | 600 mg twice daily |
| 40.1 kg or more | 750 mg twice daily |
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lb equals 12.00 ml kg
- Here patient's weight
` = 21.7 \quad lb × (0.454 \quad kg)/(1 \quad lb) = 9.8518 \quad kg ` -
From Table, the dose for the pediatric patient is 300 mg.
Therefore,
`300 \quad mg × (1\quad ml)/(25 \quad mg) = 12.00 \quad ml` Ans.
| Body Weight | Recomended dose x 5 days |
|---|---|
| 15kg or less | 300 mg twice daily |
| 15.1to 23 kg | 450 mg twice daily |
| 23.1to 40 kg | 600 mg twice daily |
| 40.1 kg or more | 750 mg twice daily |