Child wellbeing

How can parental substance use affect the child I am raising?

Children can be affected by unpredictability, secrecy, loss and responsibility long after the immediate crisis has passed. Understanding the pattern helps adults respond without blaming the child or the parent.

Grandfather and child reading together

Part of our Parental Substance Use resource series. See the main parental substance-use guide for the wider topic and related resources.

Information reviewed September 2026. Services and program details can change, so use the linked PEI source when current access information matters.

This guide describes common patterns, not a diagnosis. A child may show several of these responses, none of them, or something different. Developmental, mental-health and medical assessment belongs with qualified professionals.

Children can be affected by the instability around substance use, not only by the substance itself.

A parent's substance use can change supervision, routines, food, housing, school attendance, who is in the home and whether adults are emotionally available. Children may also witness conflict, arrests, medical emergencies or repeated promises that do not happen.

Some children become the responsible person too early.

A child may monitor the parent's mood, hide substances, care for siblings, make excuses to adults, call for help or try to keep the parent safe. This role reversal can look like unusual maturity while carrying a heavy emotional cost.

Chronic worry

Watching phones, listening for the parent, checking whether they are breathing or wondering when the next crisis will happen.

Secrecy & stigma

Trying to keep the family situation hidden, fearing judgment or believing the problem says something shameful about the child.

Mixed loyalty

Loving the parent, being angry with them, protecting them and feeling safer away from them at the same time.

Behaviour may change after the child reaches a safer home.

Some children become clingy, controlling, angry, withdrawn, hyper-alert, secretive or unusually independent. Food hoarding, sleep problems, concentration difficulties, school refusal or intense reactions to changes can also occur. A safer placement does not instantly switch off the child's expectation that something may go wrong.

Do not tell the child that the parent chose substances over them.

That framing can deepen shame and loyalty conflict. A more accurate explanation is that the parent has a serious substance-use problem or health condition that is affecting their ability to provide safe, reliable care right now. The child did not cause it and cannot cure it.

Protective relationships can make a real difference.

  • One or more predictable adults who do what they say they will do.
  • Clear routines and advance warning before changes.
  • Age-appropriate truth without adult details the child cannot use.
  • Safe contact with siblings, family and culture where appropriate.
  • Permission to care about the parent without being responsible for the parent.
  • School, health or mental-health support when the child's functioning is being affected.

Canadian evidence increasingly focuses on the child's relationship environment.

CCSA describes parental substance use as affecting many Canadian young people and highlights chronic stress, family instability, stigma and caregiving responsibilities as factors that can shape relationships and help-seeking. Our related relational-safety guide turns those ideas into practical caregiving steps.