What Are Signs Of An Overdose?

What Are Signs Of An Overdose? Some general symptoms associated with various overdose states include severe chest pain, seizures, severe headaches, difficulty breathing, delirium, extreme agitation, or anxiety. In addition to these symptoms, other signs may include: Deviations from normal body temperature (e.g., hyperthermia/hypothermia). When should you go to ER for overdose? Overdose Symptoms: When