Basemental Mods is famous for adding drugs, alcohol, and gangs. However, the creator also released a standalone mental health module that includes self-harm as a potential action for Sims suffering from extreme depression.
For players looking to add realism to The Sims 4 through mental health and self-harm themes, several mods provide deep gameplay mechanics ranging from diagnosis and therapy to physical indicators like scars. Top Mental Health & Self-Harm Mods (2026) Self-Harm Submod (by Trodindesa1974) self harm sims 4 mod top
That being said, I understand you're looking for Sims 4 mods that might help simulate or explore this topic in a responsible and safe manner. Basemental Mods is famous for adding drugs, alcohol,