Dosage should be individualized to provide maximum benefit. In some cases, serum blood level determinations may be necessary for optimal dosage adjustments. Trough levels provide information about clinically effective serum level range and confirm patient compliance, and are obtained just prior to the pa...
In patients who are known to be carriers of the decreased function CYP2C9*2 or *3 alleles (intermediate and poor metabolizers), consider starting at the low end of the dosage range and monitor serum concentrations to maintain total phenytoin concentrations of 10 to 20 mcg/mL; if early sign...
You can take Dilantin with your meal if you experience diarrhea. It should be taken orally once every day. However, your doctor may divide your dosage. Ensure that the capsule is not discolored, otherwise, do not take it. Also, swallow the capsule whole. ...
Dosage for Dilantin Kapseals? Patients who have received no previous treatment may be started on a dose of one 100-mg Dilantin three times daily and the dosage then adjusted to suit individual requirements. For most adults, the maintenance dosage will be one capsule three to four times a day...