Phenytoin adverse effects
CNS: dizziness, sluggishness, confusion (Avoid alcohol, other CNS depressants)
GI: nausea, constipation
If the pt. developed Rash – They must stop he medication!
Gingival hyperplasia [overgrowth of the gums hich can cause bleeding, loss of teeth, etc] (use folate rinse)
Teratogenic (palate, lip, heart)
Folate supplementation REDUCES RISK