疾患

1. Origins, structure, and basic meaning

• Structure: 疾患 is read as しっかん and means “disease” and “medical condition”.
• Basic usage: It denotes multiple condition names in teaching material and a fictional disease in a medical drama.

2. Common pitfalls and similar expressions

• 複数の疾患名 / 架空の疾患
  • Use 複数の疾患名 for a category of diagnoses and 架空の疾患 for an invented condition.