Unverified75% confidenceFactTime unknown

中药祛痘为内调，起效周期通常需2-4周才能观察到明显变化，一个完整调理周期约4-8周；服用不足2周即判定无效并频繁换药是常见误区

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75%

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Long-term

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中药祛痘制剂category

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Unverified归脾丸为补益药，需较长周期服用才能见效，通常建议连续服用数周以上；若服用一个月仍无改善应重新辨证85% similar Unverified归脾丸属于慢病调理用药，一般需连续服用4周以上才能明显见效，期望短期速效的用户需有合理预期85% similar Unverified补气类中成药起效慢，需按疗程连续服用2-4周才能评估效果，不能像感冒药一样吃三天见效即停，但连服超过4周无改善应就医重新辨证84% similar

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