Here are a few options for describing the WordPress post tag “副作用” (Fù Zuò Yòng – Side Effects) in Traditional Chinese, along with explanations for each:

**Option 1 (Concise & Direct):**

* **描述：** 藥物或治療可能引起的不良反應。 / 药物或治疗可能引起的不良反应。 (Traditional / Simplified)
* **Translation:** Undesirable reactions that medication or treatment may cause.
* **Explanation:** This is a clear and concise description, focusing on the core meaning of “side effects.” It’s suitable for a broad audience.

**Option 2 (More Detailed):**

* **描述：** 各種藥物、療法或治療方式可能造成的非預期、非主要效果，可能包括輕微不適到嚴重健康問題。 / 各种药物、疗法或治疗方式可能造成的非预期、非主要效果，可能包括轻微不适到严重健康问题。 (Traditional / Simplified)
* **Translation:** Unintended, non-primary effects that various medications, therapies, or treatments may cause, potentially ranging from mild discomfort to serious health issues.
* **Explanation:** This option provides a more comprehensive understanding, highlighting the variability of side effects and their potential severity. It’s helpful if the blog post will discuss a wider range of effects.

**Option 3 (Focus on Symptoms):**

* **描述：** 藥物或其他治療可能伴隨的各種身體不適或異常症狀。 / 药物或其他治疗可能伴随的各种身体不适或异常症状。 (Traditional / Simplified)
* **Translation:** Various physical discomforts or abnormal symptoms that may accompany medication or other treatments.
* **Explanation:** This option centers on the *experience* of side effects, useful if the blog’s focus is on signs and symptoms patients might encounter.

**Option 4 (Medical Perspective):**

* **描述：** 指由藥物或其他醫療措施引起，與主要治療目的無關的非預期反應。 / 指由药物或其他医疗措施引起，与主要治疗目的无关的非预期反应。 (Traditional / Simplified)
* **Translation:** Refers to unintended reactions, unrelated to the primary therapeutic purpose, caused by medications or other medical measures.
* **Explanation:** This description aligns more closely with a medical or scientific definition, may appeal to a more informed audience or scientific content.

**How to Choose the Best Option:**

Consider these factors when selecting the best description:

* **Blog Audience:** Are you writing for the general public, healthcare professionals, or a specific patient group?
* **Content Focus:** What aspects of side effects are you emphasizing (symptoms, causes, prevention, etc.)?
* **Length & Tone:** How detailed and formal should the description be?
* **Consistency:** Make sure the description fits the tone and context of your overall blog.

The best description is the one that most accurately reflects your intended focus and clearly communicates the meaning of “副作用” to your target audience. For general use, I recommend Option 1 or 2. Remember to include both Traditional and Simplified Chinese for optimal accessibility across readership in any of the descriptions.