Symptoms can include:
- Current memory loss of everyday events
- Depersonalization
- Depression
- Derealization
- Disruption of identity characterized by two or more distinct personality states
- Distortion or loss of subjective time
- Flashbacks of abuse/trauma
- Frequent panic/anxiety attacks
- Identity confusion
- Mood swings
- Multiple mannerisms, attitudes and beliefs
- Paranoia
- Pseudoseizures or other conversion symptoms
- Psychotic-like symptoms such as hearing voices and other Schneiderian first-rank symptoms
- Self-alteration (feeling as if one's body belongs to someone else)
- Somatic symptoms that vary across identities
- Sudden anger without a justified cause
- Spontaneous trance states
- Suicidal and para-suicidal behaviors (such as self injury)
- Unexplainable phobias
Severe and/or chronic intrusive dissociative symptoms can be very disturbing and may make sufferers question their sanity.