Answer:
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1) If you are not the pharmacist, contact the pharmacist or pharmacists on duty; who should:
1) check to see for any signs if the prescription has been altered; and/or: whether the prescription is valid (e.g. look up the prescribing practitioner on the actual prescription; consider the dosage, specialty of prescription; run through the database);
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and: 2) regardless of (#1 above),
call the physician or other licensed prescribing practitioner who wrote the prescription to verify.
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Furthermore:
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Note: All prescription products containing oxycodone, including Percocet, Endocet, OxyContin, are Federally Controlled DEA Schedule 2 Controlled Substances—and may not be "refilled" under any circumstances—even if cases of valid prescriptions—all "refills" on that prescription are null and void, even with the prescriber's permission; and a new prescription must be issued each time in lieu of a refill.
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Doctors do make mistakes; and the pharmacist needs to verify the prescription—and ask about the "4 refills".
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