“患忌”可以翻譯為 **"taboo"** 或 **"prohibition due to illness"**，具體取決于上下文：

1. **Taboo** - 若指因文化、習俗或健康原因而禁止的事物（如某些食物或行為）。
- *Example:* "Eating certain foods is a taboo for patients with this condition."

2. **Prohibition/Restriction due to illness** - 若明確指因疾病需避免的事項。
- *Example:* "Alcohol is strictly prohibited for patients with liver disease."

如需更精準的翻譯，請提供具體語境！