Here are a few options for the WordPress post_tag description, in Traditional Chinese, depending on the desired level of detail:

**Option 1: Concise & Focused (Good for general use)**

> 低血壓的常見症狀，包括頭暈、疲倦、視力模糊等。了解這些徵兆，幫助你及早發現並尋求醫療協助。

**(Translation: Common symptoms of low blood pressure, including dizziness, fatigue, blurred vision, etc. Understanding these signs helps you detect it early and seek medical assistance.)**

**Option 2: Slightly More Informative**

> 低血壓症狀，涵蓋從輕微至嚴重的各種表現。包括頭暈目眩、噁心、注意力難集中、甚至昏厥。本文提供相關資訊，幫助你了解自身狀況。

**(Translation: Low blood pressure symptoms, encompassing a range of manifestations from mild to severe. This includes dizziness, nausea, difficulty concentrating, and even fainting. This article provides relevant information to help you understand your condition.)**

**Option 3: Emphasizing Seeking Professional Advice**

> 了解低血壓症狀，包括站立時頭昏、疲勞、視力模糊等。若你持續或反覆出現這些症狀，請務必諮詢醫生，以便及時診斷和治療。

**(Translation: Understand the symptoms of low blood pressure, including lightheadedness when standing, fatigue, and blurred vision. If you persistently or repeatedly experience these symptoms, please consult a doctor for timely diagnosis and treatment.)**

**Choosing the best option:**

* **Option 1:** Suitable for a general audience and quick categorization.
* **Option 2:** More detailed and helpful for users actively searching to learn more about low blood pressure.
* **Option 3:** Emphasizes the importance of medical consultation. Best if the related post also focuses on seeking professional help.

When adding this to your WordPress tag, consider adding keywords like:

* 低血壓 (Low Blood Pressure)
* 症狀 (Symptoms)
* 頭暈 (Dizziness)
* 疲倦 (Fatigue)
* 治療 (Treatment – if the post discusses treatment)
* 昏厥 (Fainting)