1
Q
lamotrigine
A
lamotrigine is lowered by combined OCP
ok with progesterone only
it does not induce enzymes or affect OCP
2
Q
epival
A
combined OCP may lower it. not clear. it’s one of the most acceptable.
Epival does not affect OCP
3
Q
AED and OCP
A
AED that induce liver enzyes do not affect depot progesterone, nonhormonal methods, and IU levonogetril
they do affect OCP and progesterone implants
4
Q
AED that induce OCP metabolism
A
carbamaz, oxcarbaz, phenobar, phentoin, primidone, topamax (less)
Valproate has no effect
