Sibling rivalry is the natural competition and conflict that arises as brothers and sisters vie for attention, resources, or parental approval. From teasing and tattling to physical squabbles, these clashes can occur at any age. While normal, unresolved rivalry can undermine self-esteem, family cohesion, and emotional well-being. Understanding its roots—like developmental stages, personality differences, or family stressors—empowers parents to guide siblings toward empathy and teamwork.

Look for frequent teasing, name-calling, physical pushing, or deliberate exclusion. One child may act out to gain attention, while another withdraws. Jealousy over privileges or possessions often sparks arguments. Persistent hostility, sleep disruptions, or regression (e.g., bed-wetting) can signal that rivalry is affecting emotional security. Early detection helps prevent lasting resentment.