The more I research the more I come to conclusion that parasites are huge problem while at the same time being totally ignored. So the real question is what's effective against parasites and if herbal protocols are effective enough or not. Practitioners like dr Klinghardt and dr Yu claim that parasites are extremely difficult to eradicate and only pharmaceutical drugs work. More info:
www.preventionandhealing.com/www.debugyourhealth.com/parasites-in-humans/g2cforum.org/index.php/goto/technical-talk-mms-mms1/25297-parasite-protocol-dr-d-klinghardt-systemic-medications