Hi,
Lithium is old and well studied. You should be fine.
Here is a study from 1999 showing that Lamictal does not interfere with Lithium.
http://www.pubmedcentral.nih.gov/art...?artid=2014987
Quote:
Nevertheless, the interaction at higher lithium dosages and during long-term coadministration remains to be studied.
We did not study the potential for lithium to alter the systemic concentrations of lamotrigine. Lamotrigine is inactivated predominantly by glucuronic acid conjugation, which is not involved in lithium elimination. We would not expect lithium to affect the pharmacokinetics of lamotrigine.
In conclusion, lamotrigine does not cause significant change in the pharmacokinetics of lithium.
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This page says that there no interaction with lithium and lamictal has been reported.
http://www.psycom.net/depression.cen...motrigine.html
Mari