California Schedule 2 Prescription Rules: CURES, Refills, and Penalties

California’s Schedule II prescription rules require these drugs to be prescribed by a DEA-registered practitioner, sent to the pharmacy electronically in almost all cases, and filled within six months of the date written. Refills are never allowed. Before writing the prescription, your provider has to check the state’s CURES database, and the prescription itself has to carry specific information for the pharmacy to fill it legally.

Which Drugs the Rules Apply To

Schedule II covers medications with a high potential for abuse that still have accepted medical uses. California Health and Safety Code Section 11055 sets the state list, and it mirrors the federal one closely.¹ The drugs most people encounter are:

Opioid painkillers such as morphine, oxycodone (OxyContin, Percocet), hydrocodone (Vicodin, Norco), hydromorphone, fentanyl, and methadone
Stimulants such as amphetamine (Adderall), methylphenidate (Ritalin, Concerta), and methamphetamine, which has a narrow and rarely used medical application
Cocaine, which retains a limited medical use as a topical anesthetic in certain surgical procedures

The prescribing rules below apply to every drug on that schedule. Schedule III through V medications follow looser rules, including refills.

Electronic Prescriptions Are the Default

Since January 1, 2022, California has required almost all prescriptions, including Schedule II, to be transmitted electronically from the prescriber’s system straight to the pharmacy. The rule applies to out-of-state prescribers sending prescriptions into California too.² For patients, that means you rarely handle a paper prescription. Your provider sends it digitally and the pharmacy has it before you arrive.

A handful of narrow exceptions still allow paper:

A technological or electrical failure at the prescriber’s end. The prescriber has to document the reason in your medical record within 72 hours of the outage ending.²
The prescriber and pharmacy are part of the same healthcare system.³
The patient has a terminal illness.
The patient is an inmate, parolee, or youth under the jurisdiction of the Department of Corrections and Rehabilitation.³

When a paper prescription is used under one of these exceptions, it has to be written on an approved tamper-resistant security form. Since January 1, 2019, every controlled substance security form must carry a unique serialized number in a format approved by the California Department of Justice, along with a scannable barcode.⁴ A paper prescription missing any required security feature is presumptively invalid, and the pharmacy should refuse it.

What the Prescription Has to Contain

Under Health and Safety Code Section 11164, a Schedule II prescription must include:

Your full name and address
The prescriber’s full name, address, and telephone number
The prescriber’s DEA registration number
The prescriber’s signature (in ink on paper, or the digital equivalent for electronic prescriptions) and the date issued
The drug name, strength, quantity, dosage form, and directions for use

The prescription is good for six months from the date written. A pharmacy cannot fill a Schedule II prescription older than that, and you would need your provider to issue a new one.⁵

Prescribers include physicians, dentists, podiatrists, veterinarians, naturopathic doctors, nurse practitioners, physician assistants, certified nurse-midwives, optometrists, and pharmacists working within specific authorized projects.⁶ Each prescriber needs their own DEA registration number. A nurse practitioner or physician assistant cannot use a supervising physician’s DEA number.

No Refills, and How Ongoing Therapy Works Instead

The biggest difference between Schedule II and lower-schedule drugs is the flat prohibition on refills. Every time you need more medication, your prescriber must issue an entirely new prescription.⁵ Most providers write Schedule II prescriptions for about a 30-day supply, though no California statute sets that as a hard ceiling on a single prescription.

For patients on ongoing therapy, federal regulations let a prescriber write multiple prescriptions on the same day covering up to a 90-day total supply. Each prescription after the first must include a written instruction specifying the earliest date the pharmacy may fill it, so you don’t receive the full 90 days at once.⁷ It functions like a refill schedule, but every prescription is a fresh one written in advance.

Partial Fills

If you don’t want or need the full amount at once, federal regulations under 21 CFR 1306.13 let the pharmacy dispense part of the prescription, as long as the total dispensed across all partial fills never exceeds what was originally written.⁷ Any remaining portion has to be filled within 30 days of the date the prescription was written. After that, the unfilled portion expires.

The request can be made in person, in writing, or by phone. A parent or legal guardian can request a partial fill for a minor, and a caregiver named in an adult patient’s medical power of attorney can request one for that adult. Partial fills are useful if you want to see whether a new medication works before filling the full quantity, or if you’d rather not keep a large supply of opioids at home.

The CURES Database Check

California’s Controlled Substance Utilization Review and Evaluation System (CURES) tracks every controlled substance dispensed to every patient in the state. Before writing a Schedule II prescription for a new patient, the prescriber has to check CURES, and then again at least once every six months if you continue on the medication.⁸ The check applies to physicians, dentists, nurse practitioners, physician assistants, podiatrists, optometrists, naturopathic doctors, and certified nurse-midwives.

Pharmacists are not required to consult CURES the same way. Their obligation runs the other direction: they must report every controlled substance they dispense to CURES within one working day of releasing it to the patient.⁸ That reporting builds the record prescribers check the next time.

Emergency Oral Prescriptions

Normally a pharmacy cannot dispense a Schedule II drug without a written or electronic prescription. California recognizes an exception for genuine emergencies where delay could cause loss of life or intense suffering and no alternative treatment is available.

In that case the pharmacist can dispense based on an oral order from the prescriber. The oral order has to include everything a written prescription would, the pharmacist has to reduce it to a hard copy before dispensing, and the quantity is limited to what the emergency actually requires. The prescriber then has seven days to deliver a written prescription on a proper security form covering that emergency quantity. If the prescriber misses the seven-day deadline, the pharmacy must notify the California Department of Justice in writing within 144 hours of the failure.⁹ At the federal level, the equivalent notification goes to the DEA.⁷

Getting Rid of Leftover Medication

Unused Schedule II medication sitting in a medicine cabinet is a common source of accidental poisoning and diversion, especially in homes with children or teenagers. The safest option is a DEA-authorized drug take-back location. Participating retail pharmacies, hospital pharmacies, and law enforcement facilities register to collect unused medications, and the DEA also runs periodic National Prescription Drug Take-Back events.¹⁰

When no take-back option is available, the FDA maintains a “flush list” of medications considered too dangerous to leave in the trash. Most Schedule II opioids are on it, including medications containing fentanyl, hydrocodone, oxycodone, morphine, hydromorphone, and methadone. The stimulant patch Daytrana (methylphenidate transdermal system) is also on the list.¹¹

Penalties for Breaking the Rules

Prescribing a controlled substance without a legitimate medical purpose is a wobbler under Health and Safety Code Section 11154, meaning prosecutors can charge it as a misdemeanor or a felony. A misdemeanor carries up to one year in county jail and fines up to $20,000. A felony carries 16 months, two years, or three years in county jail with the same $20,000 fine ceiling. Board discipline against the prescriber’s license is almost certain to follow.

Federal charges under 21 U.S.C. § 841 are also available when a prescriber knowingly distributes a Schedule II drug outside legitimate medical practice. A first offense involving a Schedule I or II substance carries up to 20 years in federal prison and fines up to $1 million for an individual. If death or serious bodily injury results, the mandatory minimum becomes 20 years and the maximum becomes life.¹² Patients who obtain Schedule II prescriptions through fraud, including doctor shopping without disclosure or forging prescriptions, face their own criminal exposure under state and federal law.

1
California Legislative Information. California Health and Safety Code 11055 (2025) – 2025 California Code
2
Department of Consumer Affairs. AB 2789 Bulletin – New Prescribing Laws Take Effect January 1, 2022
3
California State Board of Pharmacy. Electronic Data Transmission Prescriptions – Frequently Asked Questions
4
Physician Assistant Board. Controlled Substance Prescription Form Serial Number Requirement
5
California Legislative Information. California Health and Safety Code 11200 (2025)
6
California Legislative Information. California Health and Safety Code 11150
7
eCFR. 21 CFR Part 1306 – Controlled Substances Listed in Schedule II
8
Medical Board of California. CURES Mandatory Use
9
California Legislative Information. California Health and Safety Code 11167
10
U.S. Food and Drug Administration. Drug Disposal – Drug Take-Back Options
11
U.S. Food and Drug Administration. Drug Disposal – FDA’s Flush List for Certain Medicines
12
Office of the Law Revision Counsel. 21 U.S. Code 841 – Prohibited Acts A