Sibling Sexual Abuse - A Parents Guide OPD 1996
Les agressions sexuelles entre frères et soeurs - Guide à l’intention des parents OPD 1997
Abuso Sexual Del Hermano - Una Guía De los Padres
OPD 1998
Sexueller Mißbrauch Der Geschwister - Eine MuttersubstanzAnleitung
OPD 1999

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     Sibling abuse, including sibling sexual abuse, commonly known as sibling incest, is more prevalent than most people would like to believe. In fact, it is probably the most accepted, and ignored, form of domestic violence.

     According to Dr. Vernon Wiehe, professor of social work at the University of Kentucky and author of Perilous Rivalry: When Siblings Become Abusive, ' many as 53 out of every 100 children abuse a brother or sister, higher than the percentage of adults who abuse their children or their spouse. What some kids do to their brother or sister inside the family would be called assault outside the family'.

     Because of the relationship of perpetrator and victim the abuse is rarely acknowledged or understood within the family. It is often hidden or minimized outside the family. 'Boys will be boys' or 'siblings fight' are often heard phrases which minimize the activity, and the damage caused by such behaviors.

     Here you will find information about the problems associated with this type of domestic violence. "Sibling Sexual Abuse - A Parents Guide" offers much useful information. Separate sections help parents to recognize sibling abuse and give information on how to intervene if you discover this is happening in your family. Also of interest is a section on prevention of sibling sexual abuse.

     Perpetrators are frequently protected by parents and other family members. This protection shields them from dealing with the consequences of their actions. The victim is also not given the help that they need in order to deal with the effects of the abuse.

     Survivors of sibling abuse & sibling sexual abuse often display signs of post traumatic stress disorder. The symptoms are the result of traumatic events with which the survivor is unable to cope. Complex post traumatic stress disorder is a relatively new term, first used by Judith Herman in her book Trauma & Recovery, and is used to distinguish symptoms and situations of CPTSD from those of PTSD

     CPTSD is frequently seen in survivors of trauma, abuse and control extending over months or years.

     There may also be signs of dissociative identity disorder or DID. Many of the symptoms of DID will also be found on the other lists of symptoms caused by severe trauma.

     Some people with DID may have a tendency toward self-persecution, self-sabotage, and violence. The violence may be self-inflicted and/or directed at the outside.

     Denial serves to reinforce the damage. The person will have problems that may last for a lifetime if they do not receive treatment.

This is a list of symptoms or warning signs that abuse is taking place or may have taken place. These are generally encountered in magnified proportions.
  • Failure to thrive
  • Weight loss/gain
  • Anxiety and/or depression
  • Listlessness
  • Phobias or irrational/inexplicable fears
  • Personal space/privacy issues
  • Difficulty with authority
  • Passivity
  • Low self esteem
  • Nightmares
  • Anger
  • Emotional outbursts
  • Frequent illness
  • Withdrawal
  • Sympathy issues
  • Difficulty sleeping / insomnia or fear of the dark
Some abused children & adult survivors may participate in: Some abused children
may become:
  • Addictive behavior
  • Self destructive behavior
  • Self injury
  • Suicide threats and/or attempts
  • Aberrant sexual behavior
  • Prostitution
  • Aggressive
  • Disruptive
  • Hyperactive
  • Impulsive
  • Negative

     Adult survivors of abuse including sibling abuse may suffer from some of these symptoms. These symptoms may vary in degree according to type and duration of abuse. Recognizing symptoms is an important first step in recovery.

     The perpetrator usually does not get the treatment that they need to stop this type of behavior. Parents and other relatives sometimes cover up the abuse out of disbelief or shame. The perpetrator continues the behavior unless they receive treatment.

     If you or someone you know is a survivor of sibling sexual abuse, please get help. You may see, in yourself, some of the signs or symptoms shown on these pages.


Academic Papers
Post Traumatic Stress Disorder
Sexual Abuse of Male Children
Oklahoma State University
- Childhood Sexual Abuse Research Lab
Recovery Bill of Rights
"Sexual Abuse: Surviving The Pain"
Relationship Healing
Treatment Centers
Child Abuse-
Ptsd in Children (Video)
The Effect of Domestic Violence on Children
Consequences of Child Sexual Abuse
Sidran Foundation
Help for Self Injury
Coping Strategies for Trauma
Rainbow Hope - For Lesbian Survivors of Abuse
Professional Resources-
Mental Health Books
The New Social Worker Online
Finkelhor-Browne Traumagenic Component list

American Psychological Association
Sibling Abuse & Incest
Adult female survivors
Adult male survivors
Couples & Partners

Young Adult
Self Injury

Legal -
Mandated Reporting

Baltic States Report w/Criminal Codes



Sibling Issues-
Sibling Rivalry or Abuse?
Sibling Abuse Contributing Factors
Ritual Abuse
Bibliographies -
Adolescent Offenders
Incest & Molestation

Sibling Incest


USDA - Selected Resources on Sibling Abuse

Report On-Line Child Pornography/Solicitation of Children

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