ANSWER:

Such droppings of insects (cockroaches) are pure as they are negligible.

As for lizards, it is an issue of dispute. It is best to clean whatever is there from it to be on the safe side. 

Sheikh, i just want to ask you if the poop of a lizard or a cockroach is najis. And if it is najis do i need to do wudhu if i find it hard to avoid the poop of the cockroach?

Purity |