Both of the products imported by Ketsar [Portulaca and Echinacea] have a kashrut from the Beit Din London for the alcohol [like all former years] so you can continue these products on Pesach.
I called beit mirkachat Many to be sure about this. The French Pharmacy sells the same products.
I am not sure about the alcohol of Vogel Echinaforce, so use for Pesach. the Ketsar echinacea
I will send- like every year -B”H-some rules about medicines and Pesach.