Apple took interceptor last month...It was her first month, and all went well...She only weighed 2 lbs. and 7 or 8 oz., so I was concerned, as it is for 2-10 lbs...I think there are very few side effects w/interceptor...however, I'm sure you'll get lots more info. on this subject....All the Best to You and your baby.....
Love Maggie & Apple
xoxoxoxo