To dream that you are choking on an object, suggests that you may find it difficult to believe some advice, or accept what someone is telling you.
If you are choking on food, then it may be an expression of your guilt about something.
To dream that someone is choking you, means you are suppressing your feelings - you have difficulties in showing your fear, anger, or love. Alternatively, you may feel that you are being prevented or restricted from freely expressing yourself.
If you dream that you are choking a person, you have feelings of aggression towards someone. You may also be trying to prevent something from being said or revealed. Also see “Heimlich Maneuver.”... My Dream Interpretation
Dreaming that you are having difficulty breathing and are in danger of dying as a result may carry important messages for the dreamer. This type of a dream experience is usually very frightening, and at times people are awakened from their dream due to the fear. This dream may have several different explanations and the catalysts may be forces from either within the individuals emotional and psychological makeup or circumstances on the outside of the individual.
The suffocation is either do to internal forces or an external situation.
The dreamer may experience great difficulties when it comes to free self expression. They may have difficulties in expressing their fear, anger, love, or any other powerful emotion and are literally choking on them in their dream. Choking in your dream suggests that you are having problems in communicating your thoughts, needs, and feelings. Additionally, smothering may imply that the dreamer can not accept certain situations in their life and is feeling suffocated by a current problem.
To interpret this dream accurately consider all of the details in it, think about your daily life and those things that cause you great stress and restrict your freedom. Finally, try to connect your dream with your daily life experiences and unlock the symbolism that the dream holds for you.... The Bedside Dream Dictionary
To dream about strangling someone, or being strangled yourself, means you have been hiding an important part of your personality - one that you need to express to be happy - just to please someone in real life.... My Dream Interpretation