my son is 5 year old. He is suffering from worm bite during the evening, the think is that i gave zentel just before 2 months. But he is suffering a lot i gave lot of homemade medicines but it does not working. In nights he suffer a lot and he began to cry and screaming because of this worm bites. He suffered from worm bite very frequently from 1 year itself. He is very normal and intelligent child and he is active and eating well. He will take sweets also very less only. But why this happens??? Please anyone answer my question. I consult my doctor he ask to continue Zentel syrup my question is that can we take zentel syrup frequently?? Is there any permanent solution for this Please answer my question. Thank you.