Is it unlucky to put medicine in the kitchen

No, don't be superstitious about feng shui or anything, after all, they are all cultural people.

Corridor Gallery: The horizontal traffic space of the building. It is called an inner corridor between two rows of rooms in a house; Located outside a row of rooms, it is called the outer corridor. >>>More

No, coffins were stored in corridors or in some places in ancient times, calmly.

Superstition, everything is psychologically determined, as long as you don't think about superstition when nothing happens, then there is nothing, and everything will be fine.

Well, generally the mirror should not be facing the bed and side.