I take 125/5 ml of Dilantin a day for my seizures. How affective is it? What are some common causes for sezuires

Common Medication. Dilantin is a commonly used medication to control seizures. Fosphenytoin is a newer version. Doctors will monitor blood levels and adjust as needed depending on control of seizures - or add additional meds or change the regimen all together depending on the situation. Seizures can be caused by trauma, infection, drug reactions/adverse effects but many times the cause is not known.
Dilantin seizures. medicines work when there is absence of seizures clinically and on EEG. Causes include trauma, infection, birth trauma, congenital genetic, unknown. Sometimes they can do nerve stimulation or mapping of the brain and remove the focus of seizures surgically or cut the corpus callosum see below .

https://www.urmc.rochester.edu/childrens-hospital/pediatric-epilepsy-program/treatments.aspx.