If you dream of seeing or taking tranquilizer pills, you may be avoiding some issue or situation in your real life. It’s also possible that you are refusing to recognize a negative aspect of yourself.
If you dream of being shot with a tranquilizer gun, or slipped a tranquilizer, there is an annoying person in your life. You may feel that you are being deceived or lied to in some way.
The dream symbol you are looking for is absolutely there, try searching the symbol one by one.