Here are a few description options for a WordPress post tag titled “併用” (Bìngyòng, meaning “Concomitant Use,” “Combined Use,” or “Using in Combination”) in Traditional Chinese, with varying levels of detail and tone:

**Option 1: Concise & Clear**

* **Description:** 指同時或搭配使用的情況，例如藥物、產品等的併用。 (zhǐ tóngshí huò dāpèi shǐyòng de qíngkuàng, lìrú yàowù, chǎnpǐn děng de bìngyòng.) (**Translation:** Refers to situations of simultaneous or combined use, such as the concurrent use of medications, products, etc.)

**Option 2: Slightly More Elaborate**

* **Description:** 討論不同事物同時或搭配使用的相關資訊，包括其益處、風險，以及需要注意的事項。 (tǎolùn bùtóng shìwù tóngshí huò dāpèi shǐyòng de xiāngguān zīxùn, bāokuò qí yìchù, fēngxiǎn, yǐjí xūyào zhùyì de shìxiàng.) (**Translation:** Discusses information related to the simultaneous or combined use of different things, including its benefits, risks, and things to pay attention to.)

**Option 3: Focusing on Practical Application**

* **Description:** 提供關於「併用」情境下的實用資訊，例如藥物之間、產品之間的相互作用，以及如何安全有效地使用。 (tígōng guānyú “bìngyòng” qíngjìng xià de shíyòng zīxùn, lìrú yàowù zhījiān, chǎnpǐn zhījiān de xiānghù zuòyòng, yǐjí rúhé ānquán yǒuxiào de shǐyòng.) (**Translation:** Provides practical information on “concomitant use” scenarios, such as the interactions between medications or products, and how to use them safely and effectively.)

**Option 4: For a Health/Medical Focused Blog**

* **Description:** 分享有關藥物、補充品等併用的最新研究、建議和安全指南，以確保您的健康和安全。 ([shēnghuó yí lùn hù dòng de] fēnxiǎng yǒuguān yàowù, bǔchōngpǐn děng bìngyòng de zuìxīn yánjiū, jiànyì hé ānquán zhīnán, yǐ quèbǎo nín de jiànkāng hé ānquán.) (**Translation:** Sharing the latest research, recommendations, and safety guidelines on the combined use of medications, supplements, etc., to ensure your health and safety.)

**Key Considerations When Choosing:**

* **Your Blog’s Niche:** Is your blog about health, beauty, technology, etc.? Choose a description that reflects the content you’ll be producing.
* **Target Audience:** Consider your readers’ level of knowledge. A more general description might be best for a broad audience.
* **Keyword Optimization:** While not the primary focus, the description can include relevant terms that people might search for related to “併用” (e.g., ” combined use,” “interaction,” “combined medication,” etc.). Although consider that descriptions will often not be visible in search results, and it’s more important the correct use of tag itself.

I recommend reviewing your most common topics to choose the best tags and descriptions for your website! Good luck!