查看Ch75 Dermatological Pharmacology的源代码

=== Bentoquatam (季铵盐) ===

季铵盐（双(氢化牛脂烷基)二甲基季铵膨润土盐）是季铵盐-18（由牛脂脂肪酸制成的季铵盐）和膨润土的混合物。这种有机粘土混合物被批准用于 OTC 作局部屏蔽药，以防止对毒藤、橡树或漆树的<b style=color:#f80>漆酚树脂过敏</b>性接触性皮炎。如有暴露于漆酚的潜在风险可提前 15 分钟以上用 5% 的外用乳液涂抹，并每 4 小时重抹一次。

Bentoquatam (quaternium-18 bentonite) is a mixture of quaternium-18 (quaternary ammonium chloride salts made from the fatty acids of tallow) and bentonite clay. This organoclay mixture is approved for OTC use as a topical barrier to prevent allergic contact dermatitis to the urushiol resin of poison ivy, oak, or sumac. The 5% topical lotion must be applied prophylactically at least 15 min prior to potential risk for exposure to urushiol and reapplied every 4 h.

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