Follow all directions on your prescription label and read all medication guides or instruction sheets. Use exactly as directed by your healthcare provider.
Swallow an extended-release capsule whole and do not crush, chew, break, or open it.
Dilantin (Phenytoin) capsules are usually taken one to four times a day.
Dilantin (Phenytoin) suspension and chewable tablets are typically taken two or three times a day.
Shake the oral suspension (liquid) before you measure a dose. Use the dosing syringes provided, or use a dosage measuring device; not a kitchen spoon.
You can chew or swallow the chewable tablets.
You may need frequent blood tests. You may also need a blood test when switching from one form of Dilantin (Phenytoin) to another. Visit your doctor regularly.
Tell your doctor if Dilantin (Phenytoin) does not seem to work as well in controlling your seizures. Do not stop using Dilantin (Phenytoin) suddenly, even if you feel fine. Stopping suddenly may cause increased seizures. Follow your doctor’s instructions about tapering your dose.
In case of emergency, wear or carry medical identification to let others know you have seizures.
Dilantin (Phenytoin) can cause swelling in your gums. Brush and floss your teeth and visit your dentist regularly to help prevent this problem.
If you miss a dose, take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
Store at room temperature; away from moisture, heat, and light.