The meaning of Drain in dream | Dream interpretation
To release emotions. Also, see how you may be giving away your power, or losing your energy. Depends upon the context of the dream.
A drain in a dream fe a warning of low vitality; it would be wise to get a medical checkup and include a blood test was being lowered, it was telling you that you may have to take a step backward in order to take two forward.
Dreams of a drain represents a leak in your energy. Your dream is giving you the message to more powerfully manage your power and not give it away so easily. See Circle.
To see a drain in your dream represents your need to release your emotions. Try not to hide your feelings inside. Alternatively, this dream may represent a wasted effort, or something that is draining you of energy.
In the structure of plumbing, the drain is what takes away what is no longer wanted or needed. Often what is being drained would fall into the category of waste or things of an unsanitary nature. Therefore, as a symbol, the drain represents your ability to slough off the old and easily release the past.
If the drain in your dream is functioning properly, all is well.
If it is not, there may be some need to examine why you are unable to let things go.
Symbolic of discarding something worthless