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A 49-year-old male asked:

taking lamictal 100mg for bipolar and tegretol 600 mg--am i even getting a therapeutic dose being that tegretol breaks down lamictal by 50%?

2 doctor answers2 doctors weighed in
Dr. Linda Callaghan
Addiction Medicine 53 years experience
Maybe.: You could get a tegretol level to find out. Clinically, you can feel if your moods are more level even if the blood levels of the anticonvulsant is not therapeutic.
Dr. Daryl Tanski
Specializes in Psychiatry
Interactions: The stated interaction is accurate. Regarding therapeutic dose if desired benefit is achieved these answer is yes. If symptoms are persisting then consideration can be givening for testing for a lamotragine blood level.

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Last updated Feb 17, 2015
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