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Trileptal®
Diagnosis & Treatment > Seizure Medications > Trileptal® > Common side effects of Trileptal
 

Common side effects of Trileptal

Dose-related side effects
Common side effects of Trileptal include:

  • sedation
  • dizziness
  • double vision
  • nausea
  • headache

If these problems do not diminish within several days, a reduction in the dose of Trileptal often will solve the problem. Problems with sedation also may be helped by splitting the dose or giving the largest dose at bedtime. Patients taking Trileptal and lamotrigine simultaneously may have fewer side effects if the pills are staggered by 1-2 hours.

Idiosyncratic reactions
Rash
Skin reactions occur less frequently with Trileptal than with carbamazepine. In the Novartis safety database of Trileptal, which includes data on 2,436 patients treated with Trileptal and 277 treated with carbamazepine, 2.8% of Trileptal-treated patients had hypersensitivity reactions compared with 6.5% of those on carbamazepine.

There is cross-sensitivity with skin reactions. In one study, 46 of 55 patients (84%) who were switched from carbamazepine to Trileptal because of skin reactions did not experience a recurrence while taking Trileptal. In another report, 37 of 51 patients (73%) with previous skin reactions to carbamazepine did not have a recurrence with Trileptal.

Abnormal liver or bone marrow function
No clinically relevant fluctuations of white blood count have been observed in clinical studies and clinically relevant elevations of liver function tests appear to occur less often than with carbamazepine. In a large retrospective study, liver and bone marrow function tests became abnormal in no more than 2% of patients.