Pisful 20mg Capsule can be taken with or without food However it is recommended to take it at the same time each day to maintain a consistent level of medication in the body Follow your doctors instructions regarding the dosage and duration of treatment as this medicine has a high potential for habit formation If you miss a dose take it as soon as you remember and complete the full course of treatment even if you start feeling better It is important not to stop this medication suddenly without consulting your doctor as it may increase the frequency of seizures Some common side effects of this medicine include tiredness slurred speech fever cough drooling constipation and difficulty in urination It can cause dizziness and drowsiness so refrain from driving or engaging in activities that require mental focus until you know how this medicine affects you If you notice blisters on your skin or inside your mouth it is important to consult your doctor Regular monitoring of blood and liver functions may be necessary if you have been taking this medicine for a long time