依存症

1. Origins, structure, and basic meaning

• Structure: 依存症（いぞんしょう） combines 依存, dependence, with 症, which marks a medical condition.
• Basic usage: Use it when learning about addiction or introducing explanatory material on it.

2. Common pitfalls and similar expressions

• Dependence and the name of a condition
  • 依存 broadly describes reliance on something.
  • 依存症 names a condition involving problematic dependence.