Epilepsy Home > Oxtellar XR Overdose

There have not yet been any reported cases of an overdose with Oxtellar XR (oxcarbazepine extended-release). However, there have been cases of overdoses on the regular (not extended-release) form of the drug's active ingredient. These cases did not result in long-term problems or untreatable complications.

Can You Take Too Much Oxtellar XR?

Oxtellar XR™ (oxcarbazepine extended-release) is a prescription antiepileptic (anti-seizure) medication approved to treat people who have certain types of seizures known as partial seizures. As with any medicine, it is possible to take too much Oxtellar XR.
The specific effects of an overdose would likely vary, depending on a number of factors, such as the Oxtellar XR dosage and whether it was taken with any other medications or substances.

Symptoms of an Overdose

There have been no reported cases of an Oxtellar XR overdose. Oxtellar XR contains the active drug oxcarbazepine in an extended-release form.
There have been a few cases of an overdose with regular oxcarbazepine. In these cases, doses as high as 24,000 mg (about 10 times the maximum recommended dose) did not cause problems that could not be effectively treated. No long-term problems occurred in any of the cases, and all of the people who overdosed recovered completely with treatment.

Treatment Options for an Oxtellar XR Overdose

If the overdose was recent, a healthcare provider may give activated charcoal or "pump the stomach" to help reduce the amount of the medication absorbed into the bloodstream. There is no antidote for an Oxtellar XR overdose.
Treatment will also involve supportive care, which consists of treating the symptoms that occur as a result of the overdose. For example, supportive care for this type of overdose may include:
  • Oxygen treatment
  • Close monitoring of the heart rhythm
  • Medications to treat seizures if they occur.
Seek immediate medical attention if you or someone else may have taken too much Oxtellar XR.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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