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Clinical guide

Effects of Addiction On Siblings: Brothers & Sisters With Addiction

How does a loved one's addiction affect siblings? See the emotional, social, and psychological toll on brothers and sisters, plus coping strategies.

By Paul James Roeser·Reviewed by Noelle Mathew, LCSW, LCADC, CASAC-M·13 min read

Published ·Updated

A sibling's addiction changes family roles, strains trust, and competes with a brother or sister's need for attention and stability. Siblings sometimes feel protective and angry at the same time, especially when emergencies interrupt school, work, or family plans.

A brother or sister can offer support without becoming responsible for treatment or sobriety. Children need a dependable adult, age-appropriate information, and protection from unsafe situations. Adult siblings also need limits on money, caregiving, and constant availability.

Individual counseling, family sessions, and peer support address the sibling's own experience. Help is appropriate even when the person using substances has not entered treatment or does not want family involvement.

Strategies siblings can use to provide support and mend relationships with the addicted family member include open communication, education and awareness, and the establishment of healthy boundaries.

How Are Siblings of People with Addiction Affected by Substance Use?

Substance abuse within a family significantly strains sibling dynamics, leading to emotional neglect, trust issues, financial strain, and long-term impacts on mental health and personal development.

Here are 14 ways siblings can be affected by substance abuse:

  1. Strained Sibling Dynamics: Families with substance abuse issues often experience increased conflict and communication breakdowns. Siblings may report higher levels of aggression and hostility, which can lead to long-lasting rifts in relationships.
  2. Shifted Parental Attention: Parents may become preoccupied with the needs of the addicted child, leading to neglect of other siblings. This can result in abandonment and resentment, as siblings may feel they are competing for attention and support.
  3. Erosion of Trust: Addicted siblings may engage in theft or deceit to support their addiction, leading to a pervasive sense of mistrust that extends beyond family relationships. This behavior can create significant emotional and financial strain.
  4. Emotional Turmoil: Living with an addicted sibling can create an environment characterized by unpredictability and fear. Siblings may experience heightened anxiety and emotional distress, feeling unsafe or threatened in their own homes.
  5. Increased Caretaking Roles: Non-addicted siblings often take on caretaker roles. Repeated crisis management can leave a sibling feeling responsible for another person's safety. This premature assumption of adult responsibilities can hinder their emotional and social development.
  6. Social Isolation: The stigma associated with addiction can lead siblings to withdraw from peers and social activities. This isolation can exacerbate feelings of loneliness and depression, making it difficult to form supportive friendships.
  7. Mental Health Consequences: Siblings of individuals with substance use disorders are at a higher risk for developing mental health issues, including anxiety and depression, due to the chronic stress associated with living in a chaotic environment. A sibling's own symptoms need assessment rather than an assumption that family history explains every difficulty.
  8. Disrupted Personal Development: The focus on an addicted sibling can hinder the personal aspirations of non-addicted siblings, leading them to delay or abandon their own goals to support the family dynamic.
  9. Altered Family Roles: Some siblings overachieve to avoid adding to parental stress, while others withdraw or act out. Labels such as "hero" or "lost child" describe proposed family patterns, not diagnoses or permanent identities.
  10. Feelings of Guilt and Responsibility: Siblings often feel a sense of guilt for not being able to prevent their sibling's addiction. This burden of responsibility can impact their self-esteem and mental health.
  11. Increased Risk of Substance Use: Siblings of individuals with substance use disorders are at a higher risk of developing their substance use problems. Familial patterns of addiction can influence behavior and increase vulnerability.
  12. Compromised Family Resources: Addiction can strain family finances, limiting resources available for education and extracurricular activities for non-addicted siblings. This financial strain can hinder their opportunities for personal growth.
  13. Challenges in External Relationships: Trust issues stemming from familial addiction can hinder the ability to form healthy relationships outside the family. Individuals with a history of familial addiction may struggle with intimacy and trust in romantic relationships.
  14. Impact on Future Parenting: Siblings of people with addiction may carry forward learned behaviors and attitudes towards substance use into their parenting, potentially perpetuating cycles of addiction and dysfunction in future generations.

Why might one sibling abuse or get addicted to substances?

One sibling might be a person with addiction while another is not due to several factors. A combination of genetics, environmental influences, and personal experiences can contribute to an individual's susceptibility to addiction.

Here are the top 5 reasons for sibling addiction:

1. Genetic Factors

Inherited biology contributes to addiction risk, but a family history does not predict that every sibling will develop a disorder. NIDA describes genes as accounting for about half of risk across populations. This is not a 50% chance that a particular brother or sister will become addicted.

Siblings share some genes and experiences while differing in temperament, peer groups, health conditions, age of exposure, and access to support. Assessment considers those differences instead of treating one sibling's history as another's diagnosis.

2. Environmental Influences

The environment in which a sibling grows up can greatly impact their likelihood of developing an addiction. Dysfunctional family dynamics, such as conflict or lack of support, can create stress that drives individuals toward substance use.

When substance use also involves a parent, the effects of parental addiction on children add concerns about supervision and premature caregiving. A reliable adult and consistent routines address these practical needs without asking a child to manage the family's recovery.

Additionally, socioeconomic factors, like financial instability, can contribute to feelings of hopelessness. Peer pressure and social circles also play a crucial role, as friends can influence the initiation and continuation of drug use.

3. Psychological Issues

Many individuals turn to substances as a coping mechanism for underlying psychological issues. Mental health disorders, such as depression, anxiety, or PTSD, can lead to self-medication through drugs or alcohol. For some, substance use becomes a way to escape emotional pain or trauma, highlighting the importance of addressing mental health alongside addiction treatment.

Co-occurring mental health symptoms need assessment on their own merits. Substance use, withdrawal, and psychiatric disorders can produce overlapping symptoms, so a clinician considers timing and the full history. A sibling cannot determine the cause from a single episode of anxiety or low mood.

4. Social Environment

The social environment can significantly affect a sibling's relationship with substances. Easy access to drugs or alcohol increases the likelihood of use. Older siblings influence access, expectations, and social routines, but younger siblings also have distinct peers and experiences.

Cultural acceptance of substance use can also normalize experimentation. Understanding these social dynamics can help families identify external pressures that may contribute to their sibling's addiction.

Observational findings about sibling influence describe associations. They do not establish that an older sibling's behavior alone caused a younger sibling's substance use.

5. Impact of Family Dynamics

Family dynamics can have a profound effect on a sibling's mental health and potential for substance abuse. Feelings of inadequacy may arise if one sibling feels overshadowed by the achievements of another, leading to low self-esteem and a desire to escape through substance use. Strained relationships can create a sense of responsibility and guilt, further exacerbating mental health issues. Additionally, perceived neglect or favoritism can drive a sibling to seek solace in substances, making it essential for families to foster open communication and support.

A family history of substance use disorder (SUD) in parents or older siblings increases the risk of SUD in adolescents. Hamad, Amani F. et al. (2022) study found that adolescents with a history of SUD in their mothers, fathers, both parents or an older sibling had a significantly increased risk of developing SUD. These results highlight the importance of considering familial factors when assessing adolescent SUD risk.

Recognizing the multifaceted reasons behind a sibling's substance abuse is crucial for family members. By understanding genetic, environmental, psychological, and social factors, families can approach the situation with empathy rather than judgment. This awareness not only helps in providing meaningful support but also encourages siblings to seek the treatment they need. Ultimately, fostering a supportive environment can pave the way for recovery and healthier coping strategies.

What treatment options are available for addressing addiction in siblings?

Treatment for a sibling's substance use disorder includes withdrawal management when needed, an appropriate rehabilitation level, condition-specific medication, and behavioral treatment. Support for the brother or sister without the disorder is a separate need.

Here are the key treatment options to address addiction in siblings:

Inpatient and Residential Treatment

This involves staying at a treatment facility where individuals receive medical care, therapy, and support in a structured environment. Inpatient programs can last from a few weeks to several months and often include a range of therapies, including group therapy, psychotherapy, and medication management for withdrawal symptoms and cravings.

Outpatient Treatment

For those who may not require the intensive care of an inpatient program, outpatient treatment allows individuals to receive care while continuing to live at home. This option provides flexibility and often involves therapy sessions and support groups a few times a week.

Medication-Assisted Treatment (MAT)

Medications for opioid or alcohol use disorder address different clinical needs, including withdrawal, cravings, or relapse prevention. The prescriber selects treatment for the substance and the patient's health. Medication is not available for every substance use disorder.

Detoxification Services

Before entering a treatment program, individuals who are actively using substances may need to undergo detox. This medically supervised process helps safely manage withdrawal symptoms as the body clears substances from its system.

Therapy and Counseling

Individual and family therapy can be crucial for both the individual with the addiction and their siblings. Therapy can help address underlying mental health issues and improve communication within the family system.

Support Groups for Siblings

Al-Anon supports people affected by another person's drinking; Nar-Anon and SMART Recovery Family & Friends address related family support needs. NAMI programs support families affected by mental illness. Check the group's focus and age eligibility rather than assume every group provides the same service.

Family Therapy

Involving the entire family in the treatment process can facilitate healing and improve relationships. This type of therapy focuses on communication dynamics and aims to create a supportive family environment conducive to recovery.

What Emotions Do Siblings of People with Addiction Experience?

Siblings of people with addiction often experience a mix of emotions, including anger, sadness, frustration, and guilt. They may feel helpless watching their sibling struggle and often face isolation, as it can be hard to find others who understand their situation. Guilt can lead them to question their actions and may result in enabling behaviors. They need to acknowledge these feelings and seek support through therapy or support groups to cope and create a healthier environment for healing.

How to help an addicted Sibling Without Enabling Further Substance Abuse?

Siblings of people with addiction can help by encouraging their siblings to seek treatment while avoiding enabling behaviors. They should express concern and love without judgment and discuss how the addiction affects the family. Encouraging treatment participation is key.

To avoid enabling, siblings should set boundaries, such as not providing financial support for substances and avoiding situations that promote substance use. Instead, they can strengthen their relationship by engaging in positive activities like family therapy or support groups. This approach helps support the sibling's recovery while protecting their well-being.

The table below explains more strategies to help addicted siblings:

StrategyDescriptionHow It Helps/Supports Addiction Recovery
Direct Assistance for Basic NeedsProvide direct help for essentials like groceries, rent, or utilities instead of giving cash, ensuring support aids well-being and not substance abuse.Ensures basic living needs are met without enabling drug purchases.
Gift Cards for NecessitiesAgree on help for specific essentials within a budget that you can afford.Makes the purpose of assistance clear; gift cards and cash are transferable, so no arrangement guarantees how funds are used.
Direct Payment to Service ProvidersPay landlords or utility companies directly to ensure funds are used for necessary expenses.Confirms that an agreed bill is paid without requiring you to take over every financial responsibility.
Offering Non-Monetary SupportProvide non-financial assistance such as job search help, resume building, or emotional support during recovery.Enhances self-sufficiency and emotional well-being, critical for recovery.
Connect with Treatment ResourcesEncourage and assist in finding treatment programs, support groups, or counseling to address addiction's root causes.Facilitates access to professional help, addressing underlying issues of addiction.
Set BoundariesCommunicate support for recovery with clear financial boundaries, without making emergency care or basic safety contingent on abstinence.Reinforces the importance of responsibility and accountability in recovery.
Involve a Trusted Third PartyInvolve professionals like counselors to manage financial support, ensuring alignment with the recovery plan.Adds a layer of accountability and ensures financial support is used appropriately.
Educate Yourself on AddictionGain knowledge on addiction and recovery to offer informed support and avoid enabling substance abuse.Empowers you to provide more effective support and avoid enabling behaviors.
Encourage ResponsibilitySupport your sibling in taking responsibility for their actions and decisions, promoting personal growth and accountability.Limits the use of funds for necessities, reducing the risk of funding substance abuse.
Join a Family Support GroupEngage in groups for families facing similar issues for shared experiences and insights on non-enabling support.Offers emotional support and practical advice, helping families navigate recovery together.
Practical support, financial limits, and independent help for siblings.

How Do I Set Boundaries With My Addicted Sibling?

Boundaries For Siblings of addicts

Boundaries for siblings of a person with addiction refer to the clear lines or rules established to maintain a healthy relationship and personal well-being while supporting the sibling's journey to recovery. These boundaries are crucial for defining acceptable behaviors, responsibilities, and limits on the assistance provided, ensuring that support does not enable addiction. They help protect the sibling from emotional or financial harm and encourage the addicted sibling to take responsibility for their actions and recovery process.

Setting boundaries with your addicted sibling is essential for both their well-being and your own, but it can be emotionally challenging. Start by clearly communicating your limits with empathy and love. Let them know that your decision is motivated by a desire for their recovery and your mental health.

Understand that saying "no" doesn't make you unsupportive; it establishes a necessary framework for accountability and peace of mind. Seek guidance from support groups or a therapist to reinforce your conviction in maintaining healthy boundaries, ultimately contributing to a more stable and supportive environment for your sibling's recovery.

How does substance abuse affect the family?

Substance abuse significantly impacts families, creating rifts and feelings of resentment and mistrust. Siblings may feel torn between loyalty to the addicted sibling and their own needs, leading to communication breakdowns. Parents might unintentionally prioritize the addicted sibling's needs, affecting family dynamics.

The stress of addiction can also cause mental health issues, like anxiety and depression, in siblings. Families need to seek support through therapy or counseling, which can help siblings express their feelings and learn coping strategies, promoting a healthier family environment and aiding recovery.

Am I Responsible If My Brother or Sister Relapses?

No. A sibling does not control another person's substance use or treatment response. You can honor agreed support, describe concerns, and encourage contact with the treating team. Constant surveillance, guilt, or giving up your own life does not guarantee recovery.

For unresponsiveness, slow or abnormal breathing, or a seizure, call 911. Give naloxone when opioid overdose is possible and it is available. Never delay emergency help to enforce a boundary.

How Do I Ask My Parents for More Support?

Name the specific need: protected time together, a quiet place to study, help paying for counseling, or relief from crisis calls. The strain addiction places on parents helps explain why attention shifts, but it does not make a sibling's needs less important.

A conversation might begin, "I know you are worried about my brother. I also need someone to ask how I am doing, and I cannot keep missing school to supervise him." A trusted adult or family therapist can help when direct conversations repeatedly break down.

Sources & References4Show
  1. Hamad AF et al. Familial Associations in Adolescent Substance Use Disorder: A Population-Based Cohort Study (2022)Family-history associations in Manitoba; not proof of causation or an individual prognosis.
  2. SAMHSA. Substance Use Disorder Treatment and Family Therapy (TIP 39)
  3. NIDA. Understanding Drug Use and AddictionGenetic, environmental, and developmental risk; no individual factor determines addiction.
  4. CDC. What to Do If You Think Someone Is Overdosing

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