Yup, you can do the parasite herbs at the same time. It's actually a little easier because there is no food to work around. (must be taken on an empty stomach - lemonade doesn't count as food!)
Check out the link I gave you and the 'Ultimate Cleanse'...you might want to do this. The b&p's are a powerful bowel cleanse...my boyfriend eliminated a 1974 penny he swallowed when he was a child, by taking the b&p's!!