Which of the following medications should be administered whole (e.g., not divided or crushed for administration)?

To answer this question, we need to understand the principles of pediatric dosage calculations and the factors that affect them. Pediatric dosages are usually calculated based on the child's weight or body surface area, and sometimes adjusted for age, organ function, or disease severity¹. However, not all medications that are used in adults are safe or effective in children. Some medications may have different pharmacokinetics, pharmacodynamics, adverse effects, or interactions in children than in adults².

Therefore, it is important to check the drug insert or label for any contraindications, warnings, or precautions for pediatric use before prescribing or administering a medication to a child. If the drug insert states that the medication is not for pediatric use, it means that the medication has not been tested or approved for use in children, or that it has been shown to be harmful or ineffective in children. In this case, a pediatric dose calculated from an adult dose should be avoided, as it may result in serious toxicity or therapeutic failure. The healthcare provider should consult a pediatric specialist, a pharmacist, or a reliable drug reference for alternative medications or dosing recommendations.

The other options are not correct because they do not necessarily warrant avoiding a pediatric dose calculated from an adult dose.

Option a. If the drug insert does not specify a pediatric dose, it means that there is insufficient data or evidence to support a specific pediatric dose, but it does not mean that the medication is contraindicated or unsafe in children. The healthcare provider should use clinical judgment and available resources to determine the appropriate dose for the child³.

Option b. If the child has an elevated temperature that has not responded to treatment, it means that the child may have an infection or inflammation that may affect the absorption, distribution, metabolism, or excretion of some medications. The healthcare provider should monitor the child's condition and adjust the dose accordingly, but it does not mean that the medication should be avoided altogether⁴.

Option c. If the child has gained or lost weight in the past month, it means that the child's weight may have changed significantly since the last dose calculation. The healthcare provider should weigh the child and recalculate the dose based on the current weight, but it does not mean that the medication should be avoided altogether.

To find the maximum number of tablets the patient may have in 24 hours, you need to calculate the following:

- The number of doses the patient may have in 24 hours using the formula: Number of doses = 24 hours / Dosing interval (hours)
- The total dose of ibuprofen in milligrams (mg) for 24 hours using the formula: Total dose (mg) = Number of doses x Prescribed dose (mg)
- The number of tablets of ibuprofen using the formula: Number of tablets = Total dose (mg) / Strength per tablet (mg)

First, use the formula for number of doses to find how many times the patient may take ibuprofen in 24 hours:

Number of doses = 24 hours / Dosing interval (hours)

Since the dosing interval is 6 hours, plug in this value into the formula:

Number of doses = 24 hours / 6 hours

Simplify and solve for the number of doses:

Number of doses = 4

Next, use the formula for total dose to find the amount of ibuprofen in milligrams for 24 hours:

Total dose (mg) = Number of doses x Prescribed dose (mg)

Since the number of doses is 4 and the prescribed dose is 600 mg, plug in these values into the formula:

Total dose (mg) = 4 x 600 mg

Simplify and solve for the total dose:

Total dose (mg) = 2400 mg

Then, use the formula for number of tablets to find how many tablets of ibuprofen are needed:

Number of tablets = Total dose (mg) / Strength per tablet (mg)

Since the total dose is 2400 mg and the strength per tablet is 200 mg, plug in these values into the formula:

Number of tablets = 2400 mg / 200 mg

Simplify and solve for the number of tablets:

Number of tablets = 12

Therefore, the maximum number of tablets the patient may have in 24 hours is **12**.