The meaning of Kidney in dream | Dream interpretation
To dream of your own kidneys suggests that a medical checkup might be advisable. A dream of eating, cooking, or serv- ing kidneys is a warning against speculative ven- tures.
To dream of eating kidney stew, or kidneys cooked by another method, is a portent of criticism from some low-minded individual who has found out about your love affairs.
If you dream of a problem with your kidney, then you have fears of growing up or a fear of being criticized. You also may be processing criticism you’ve recently received.
A vitally important part of purification and elimination of emotional problems spiritually digested; see “urine”