Sesame seeds can be H. Nana (tapeworm) eggs. This is the dwarf Tapeworm and is not like the other Tapeworms at all. Actually I consider it to be the hardest to get rid of.
It is the most common tapeworm. The meds you are taking have no effect on tapeworms. ICU's 7-day course of niclosamide is the suggested treatment. I take utosamide (same as niclosamide) from Thailand.