Bitter taste that you experience in a dream, says about your subconscious desire for the forbidden pleasures that experience for yourself you are not able to.
There is the bitter fruit of a dream - to coercion or sad events. Bitter taste in the mouth of hot spices means that you will be very upset consequences of their reckless behavior.
Take a dream bitter medicine - then reality will be a long time exposed to chronic illness. Drink the bitter medicine of other means that do harm to those who trusted and helped you.