Oxtellar XR® (oxcarbazepine) extended-release tablets

An error occurred while registering your co-pay card. One of our customer service agents will be happy to help you with your co-pay card. Please call 1-855-305-2066.

For questions, please contact Supernus Support by calling 1-866-398-0833 from 8 AM to 6 PM ET, Monday through Friday.

Supernus Support provides a single point of contact for all of your questions regarding Oxtellar XR — including medication access and coverage.


This offer is good for commercially insured and cash-paying patients purchasing Oxtellar XR® (oxcarbazepine) extended-release tablets and may not be used for any other product. Maximum benefits apply. This offer is not valid for prescriptions purchased under Medicaid, Medicare or other federal or state programs (such as medical assistance programs). Offer not valid where prohibited by law, taxed, or restricted. It is not transferable and may not be combined with any other offer. The amount of the rebate cannot exceed the patient’s actual out-of-pocket expenses. Offer must be presented along with a valid prescription for Oxtellar XR® at the time of purchase. By enrolling into this program you are consenting to the collection and use of certain personal information including your phone number and/or email address and elements of pharmacy claim information. This information will be collected and used by service providers of Supernus Pharmaceuticals, Inc. (“Supernus”), in order to administer this program. This information is not provided to Supernus directly. If you do not consent, please do not enroll into the program. If you require additional assistance, please call 1-855-305-2066. Supernus reserves the right to rescind, revoke, or amend this offer without notice at any time.


This Co-Pay Savings Card is provided to you as a service by your doctor and Supernus Pharmaceuticals, Inc. The patient must present a valid prescription for Oxtellar XR® (oxcarbazepine) extended-release tablets when redeeming this card. Prescriber ID# required on prescription. This card is valid towards out-of-pocket expenses for Oxtellar XR®. If the patient’s total cost per prescription is more than $0, this program will cover up to the max benefit amount on each of the next 12 prescriptions for Oxtellar XR® of any dosage strength filled. Patients with questions please call 1-855-305-2066.

Pharmacist instructions for a patient with an Eligible Third Party: When you use this card, you are certifying that you have not submitted and will not submit a claim for reimbursement under any federal, state or other governmental programs for this prescription.

  • Submit transaction to McKesson Corporation using BIN #610524.
  • If primary commercial prescription insurance exists, input card information as secondary coverage and transmit using the COB segment of the NCPDP transaction. Applicable discounts will be displayed in the transaction response.
  • Acceptance of this card and your submission of claims for the Oxtellar XR® program are subject to the LoyaltyScript® program. Terms and Conditions posted at www.mckesson.com/mprstnc
  • Patient is not eligible if prescriptions are paid in part or full by any state or federally funded programs, including but not limited to Medicare or Medicaid, Medigap, VA, DOD or TriCare and where prohibited by law.
  • For questions regarding setup, claim transmission, patient eligibility or other issues, call the LoyaltyScript® for Oxtellar XR® program at 1-855-305-2066 (8:00 AM-8:00 PM EST, Monday–Friday).

Supernus reserves the right to rescind, revoke, or amend this offer without notice at any time.

Limit one card per patient. Offer not valid for prescriptions reimbursed under Medicaid, a Medicare drug benefit plan or other federal or state programs (such as medical assistance programs). If you are eligible for drug benefits under any such program, you cannot use this card.

Patients with product-related questions, please call 1-866-398-0833 (8:00 AM-8:00 PM EST) or visit www.OxtellarXR.com.

Oxtellar XR® (oxcarbazepine) extended-release tablets for oral use


Oxtellar XR® (oxcarbazepine) extended-release tablets is a prescription medicine used to treat partial-seizures in adults and children 6 years of age and older.

Important Safety Information

Do not take Oxtellar XR if you are allergic to oxcarbazepine or any of the other ingredients in in Oxtellar XR, or to eslicarbazepine acetate.

Oxtellar XR can cause serious side effects, including a low level of sodium in your blood. Symptoms of low blood sodium include nausea, tiredness, lack of energy, headache, confusion, and more frequent or more severe seizures. Similar symptoms that are not related to low sodium may occur from taking Oxtellar XR. The most common side effects include dizziness, sleepiness, headache, balance problems, tremors, vomiting, double vision, and weakness. These are not all of the possible side effects of Oxtellar XR. For more information, ask your healthcare provider or pharmacist.

Like other antiepileptic drugs, Oxtellar XR may cause suicidal thoughts or actions in a very small number of people, about 1 in 500. Before you take Oxtellar XR, tell your healthcare provider if you have or have had depression, mood problems, or suicidal thoughts or behavior. Call a healthcare provider right away if you have thoughts about suicide or dying, attempts to commit suicide, have new or worse depression or new or worse anxiety, feel agitated or restless, experience panic attacks, trouble sleeping (insomnia), or new or worse irritability, feel or act more aggressive, angry, or violent, act on dangerous impulses, have an extreme increase in activity and talking (mania), or experience other unusual changes in behavior or mood.

Oxtellar XR may also cause allergic reactions or serious problems which may affect organs and other parts of your body like the liver or blood cells. You may or may not have a rash with these types of reactions. Call your healthcare provider right away if you have any of the following: swelling of your face, eyes, lips, or tongue, trouble swallowing or breathing, a skin rash, hives, fever, swollen glands, or sore throat that does not go away or comes and goes, painful sores in the mouth or around your eyes, yellowing of your skin or eyes, unusual bruising or bleeding, severe fatigue or weakness, severe muscle pain, frequent infections, or infections that do not go away. Many people who are allergic to carbamazepine are also allergic to Oxtellar XR. Tell your healthcare provider if you are allergic to carbamazepine.

Before taking Oxtellar XR, tell your healthcare provider about all your medical conditions, including if you have or have had suicidal thoughts or actions, depression or mood problems, have liver problems, have kidney problems, are allergic to carbamazepine, use birth control medicine, are pregnant or plan to become pregnant, or are breastfeeding or plan to breastfeed. Oxtellar XR passes into breast milk. You and your healthcare provider should discuss whether you should take Oxtellar XR or breastfeed. You should not do both.

Oxtellar XR may harm your unborn baby. Tell your healthcare provider right away if you become pregnant while taking Oxtellar XR. If you use birth control medicine, Oxtellar XR may cause your birth control medicine to be less effective.

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Taking Oxtellar XR with certain other medicines may cause side effects or affect how well they work. Do not start or stop other medicines without talking to your healthcare provider. Especially tell your healthcare provider if you take: carbamazepine, phenobarbital, phenytoin, or birth control medicine.

Do not stop taking Oxtellar XR without talking to your healthcare provider. Stopping Oxtellar XR suddenly can cause serious problems, including seizures that will not stop. Take Oxtellar XR exactly as prescribed.

Please refer to the Medication Guide for additional important patient information.
You are encouraged to report negative side effects of prescription drugs to the FDA.
Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.

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Oxtellar XR is a registered trademark of Supernus Pharmaceuticals, Inc.
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