About Oxtellar XR

What is Oxtellar XR?

Oxtellar XR is a prescription medicine used to treat partial seizures in adults and in children 6 to 17 years of age.

Oxtellar XR is a once-a-day formulation of oxcarbazepine. As an insured patient taking Oxtellar XR, you have access to co-pay cards that may reduce your co-pay to $0 per month* for up to 12 months. Visit the Patient Savings section on this website for more information on eligibility.

What should I tell my doctor before taking Oxtellar XR?

Before taking Oxtellar XR, tell your doctor 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. Talk to your doctor about the best way to feed your baby if you take Oxtellar XR

Tell your doctor about all the medicines you take, including prescription and non-prescription 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 doctor.

Especially tell your doctor if you take: carbamazepine, phenobarbital, phenytoin, or birth control medicine. Ask your doctor or pharmacist for a list of these medicines, if you are not sure.

Know the medicines you take. Keep a list of them and show it to your doctor and pharmacist when you get a new medicine.

Who should not take Oxtellar XR?

Do not take Oxtellar XR if you are allergic to oxcarbazepine, or any of the other ingredients in Oxtellar XR, or to eslicarbazepine acetate. See the Patient Medication Guide for Oxtellar XR for a complete list of Oxtellar XR ingredients.

What are the most common side effects of Oxtellar XR?

The most common side effects of Oxtellar XR include:

  • Dizziness
  • Sleepiness
  • Headache
  • Balance Problems
  • Tremors
  • Vomitting
  • Double Vision
  • Weakness or lack of energy (asthensia)

These are not all the possible side effects of Oxtellar XR. For more information about the side effects of Oxtellar XR, please see the Patient Medication Guide for a complete listing of the possible side effects of Oxtellar XR. You can also discuss the possible side effects of Oxtellar XR with your doctor or pharmacist. Tell your doctor if you have any side effect that bothers you or does not go away.

How can I get more information about Oxtellar XR?

For more information about Oxtellar XR, you can talk to your doctor or pharmacist, or call Supernus Support toll free at 1-866-398-0833, Monday through Friday, 8 AM to 6 PM Eastern time, excluding holidays.

Taking Oxtellar XR

How should I take Oxtellar XR?

Take Oxtellar XR 1 time each day as directed by your doctor.

It is very important to remember that in order for Oxtellar XR to work properly you must take Oxtellar XR at the same time each day on an empty stomach. Oxtellar XR should be taken at least 1 hour before or at least 2 hours after a meal. Do not cut, crush, or chew the tablets before swallowing.

Do not stop taking Oxtellar XR without talking to your doctor. Stopping Oxtellar XR suddenly can cause serious problems, including partial seizures that will not stop (status epilepticus). Take Oxtellar XR exactly as prescribed. Your doctor may change your dose. Your doctor will tell you how much Oxtellar XR to take.

What should I do if I’m having side effects?

Tell your doctor if you have any side effect that bothers you or does not go away.

Should I take Oxtellar XR with food?

Take Oxtellar XR on an empty stomach. This means you should take Oxtellar XR at least 1 hour before or at least 2 hours after a meal. Take Oxtellar XR tablets whole with water or other liquid.

What should I do if I take too much Oxtellar XR?

If you take too much Oxtellar XR, call your doctor or call the poison control center at 1-800-222-1222.

What should I do if I miss a dose?

Talk with your doctor about what you should do if you miss a dose.

*Terms and conditions apply.