4.1 Federal & Mississippi Controlled Substance Scheduling

Key Takeaways

  • Federal and Mississippi law use Schedules I–V; when scheduling differs, the pharmacy must comply with both and use the more restrictive compatible classification in Mississippi.
  • Schedule II prescriptions cannot be refilled; Schedule III–V prescriptions cannot be filled after six months or more than five full refills.
  • Mississippi permits pharmacist-only nonprescription dispensing of eligible Schedule V products under strict quantity, frequency, age, identification, need, and record requirements.
  • A nonprescription Schedule V narcotic sale is limited to 120 cc or 4 fluid ounces in 72 hours, with no more than two sales in seven days and three sales in 30 days to the purchaser.
  • Pseudoephedrine is not scheduled merely by the pharmacy rule but is separately restricted to 3.6 grams per day and 7.2 grams per 30 days with NPLEx and identification controls.
Last updated: August 2026

Controlled-Substance Scheduling in Mississippi

Both the federal Controlled Substances Act and the Mississippi Uniform Controlled Substances Law classify drugs in Schedules I through V. The schedule determines ordering, prescription format, refill, record, security, and dispensing rules. Confirm the drug’s current federal and Mississippi classification; if the sovereigns differ, the pharmacy must comply with both, which generally means treating the substance according to the more restrictive compatible control in Mississippi.

Schedule framework

Schedule I substances have no currently accepted medical use under the federal scheduling definition and cannot be prescribed through an ordinary pharmacy. Federal Schedule I status remains relevant even where Mississippi operates a separate medical-cannabis program; a conventional DEA-registered community pharmacy does not dispense state medical cannabis as an ordinary prescription drug.

Schedule II includes drugs with accepted medical use and high abuse potential, such as oxycodone, hydrocodone products, methylphenidate, amphetamine, fentanyl, and single-entity codeine. Schedule II prescriptions have no refills. Mississippi also says a Schedule II prescription may not be filled more than six months after issuance.

Schedules III and IV include drugs such as many qualifying codeine combinations, testosterone and other anabolic steroids, buprenorphine products in Schedule III, and alprazolam, clonazepam, zolpidem, and tramadol in Schedule IV. A prescription in Schedules III–V may not be filled or refilled after six months from issuance or more than five times for the full amount prescribed.

Schedule V contains products with lower abuse potential than Schedule IV, including pregabalin and qualifying low-concentration narcotic preparations. Schedule V status does not mean “uncontrolled,” and it does not automatically mean either prescription-only or freely over the counter.

Mississippi nonprescription Schedule V pathway

Mississippi Board Article XVIII permits a pharmacist to dispense an eligible Schedule V controlled substance without a prescription only under detailed safeguards. This is why the claim “all codeine preparations require a prescription in Mississippi” is wrong.

The sale must be made by a pharmacist, not a technician. The quantity may not exceed 120 cubic centimeters (120 mL) or four fluid ounces in any 72-hour period. The regulation also limits a purchaser to no more than two such sales in seven days and three in 30 days. The pharmacist must be satisfied the product is needed for a legitimate medical purpose and must not make the sale to anyone under 18 years of age.

The purchaser must be known to the pharmacist or provide suitable identification. The sale is entered in the required bound record, including the required purchaser, product, quantity, date/time, and pharmacist information, and the record is maintained for two years. These safeguards coexist; a 4-ounce bottle is not automatically legal merely because the purchaser shows identification.

The federal concentration and formulation requirements still determine whether a narcotic preparation falls in Schedule III or V. A compounded codeine mixture does not qualify for a lower schedule merely because it is dilute if it lacks the qualifying nonnarcotic active ingredient. Always classify the actual formulation before applying the Mississippi sales rule.

Pseudoephedrine is a separate framework

Pseudoephedrine and ephedrine products are governed by federal CMEA controls and Miss. Code Ann. § 73-21-124. Current Mississippi nonprescription limits are 3.6 grams per day and 7.2 grams in 30 days, with behind-the-counter placement, purchaser age of at least 18, specified identification, and real-time NPLEx submission. A stop-sale response generally blocks the transaction, with the current safety override limited to reasonable fear of imminent bodily harm. A Mississippi resident, or a person presenting identification from another prescription-only state, must obtain a prescription as the statute provides.

Exam method

Identify the exact substance and formulation, determine both schedules, and only then apply acquisition, prescription, refill, partial-fill, transfer, and sale rules. Do not reason from a brand name alone, and do not confuse a separately regulated precursor with a scheduled prescription drug.

Formulation exercise

Do not classify “codeine syrup” by name. First determine milligrams per 100 mL and whether a qualifying active nonnarcotic ingredient is present. A low concentration in inactive syrup may remain Schedule II, while a qualifying combination can fall in Schedule III or V. Only after confirming Schedule V should the pharmacist consider Article XVIII’s nonprescription pathway. The purchaser’s age, 72-hour quantity history, seven- and 30-day sale counts, identification, legitimate need, and bound record can independently block the sale even when the product qualifies.

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4.1 Federal & Mississippi Controlled Substance Scheduling — Current Rule Map
Test Your Knowledge

Which statement correctly describes eligible nonprescription Schedule V dispensing in Mississippi?

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Test Your Knowledge

What is the Article XVIII quantity limit for an eligible nonprescription Schedule V sale?

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Test Your Knowledge

A pharmacist compounds codeine only with inactive simple syrup. Why can concentration alone fail to place it in Schedule III or V?

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Test Your Knowledge

What are Mississippi’s current nonprescription pseudoephedrine quantity caps?

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