How does hyperactive-impulsive ADHD affect sibling relationships? 

Living with a sibling who has hyperactive ADHD can shape family dynamics in significant ways, often testing patience, fairness, and emotional balance. The impulsivity, restlessness, and intense emotional reactions associated with the hyperactive-impulsive ADHD subtype can lead to frequent conflicts, attention-seeking behaviours, and misunderstandings between siblings. While ADHD therapy aims to reduce symptoms and improve behaviour, it’s equally important to address the emotional needs of the entire family. 

Siblings may feel overlooked, frustrated, or confused by the unpredictable behaviour of their brother or sister. At the same time, the child with ADHD may struggle to form stable connections due to poor executive function or difficulty managing impulses. This dynamic can strain bonds and lead to lasting resentment if not handled with awareness and support. 

Strategies to strengthen sibling relationships 

Here’s how families can support healthier, more empathetic sibling interactions: 

• Incorporate family-based therapy options 
  Working with a therapist who understands both ADHD and family systems can provide tools to resolve conflict and foster understanding. 

• Practise mindfulness as a family 
  Simple breathing exercises or guided moments of stillness can help reduce emotional reactivity, for both the child with ADHD and their siblings. 

• Give each child dedicated attention 
  Set aside one-on-one time to ensure siblings without ADHD feel seen and valued, reducing feelings of imbalance. 

• Teach empathy and emotional awareness 
  Use calm moments to explain hyperactive ADHD in age-appropriate ways, encouraging siblings to express how they feel and what they need. 

When managed proactively, ADHD therapy can ease behavioural challenges and help restore harmony between siblings. Visit providers like ADHD Certify for holistic treatment plans that include family dynamics and emotional health. 

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Hyperactive‑Impulsive ADHD .