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When a prescription is dispensed, the label is affixed to the bottle or package. It must contain the following: (See figure 1)

  1. Name and address of the pharmacy

  2. Name or initials of the person who filled the medication

  3. Date medication was filled

  4. Name of patient

  5. Rx number of prescription

  6. Last name of prescriber

  7. Directions for use

  8. Name of drug, dosage and quantity

Figure 1:

Sample Prescription Drug Label (Thieu, Y., and, 2017)

Tip to know: For the IL MPJE purposes, do know the federal law requirement of "Caution: Federal law prohibits dispensing without a prescription" statement to be on the prescription label (see figure 1). For the label on the original manufactured bottle of the prescription drugs, federal law requires it must contain the phrase "Rx Only."

(225 ILCS 85/22: Section scheduled to be repealed on January 1, 2020)



Any generic drug that is determined to be therapeutically equivalent by the FDA is available for substitution. A pharmacist can substitute a brand or alternative generic drug if the selected drug product has the same dosage form and active ingredients with no more than 1% difference from the active ingredient to the substituted drug. An example is switching from Crestor to atorvastatin, or switching from two different manufacturers of generic drugs (i.e. simvastatin to simvastatin from another manufacturer). Unless the physician indicates that the drug "may not substitute" on the prescription, then the pharmacist must dispense the same brand or generic drug as prescribed.

(225 ILCS 85/25: Section scheduled to be repealed on January 1, 2020)


To preserve the public peace, health, and safety:

  • When a physician indicates on a prescription that an anti-epileptic drug "may not be substituted," the pharmacist must not interchange it without notifying the prescribing physician and the patient.

  • The pharmacist must provide a written notice to the patient at the time of the dispensing if he or she substitutes any generic prescription in place of a brand name anti-epileptic drug.

(225 ILCS 85/26: Section scheduled to be repealed on January 1, 2020)



A pharmacy may fill or refill prescription for another pharmacy, as long as both pharmacies have the same owner or have a written contract specifying (1) the services each pharmacy provided, (2) the responsibilities of each pharmacy, and (3) the manner in which they must comply with Federal and State laws, rules, and regulations.

(225 ILCS 85/25.5: Section scheduled to be repealed on January ...

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