Unverified90% confidenceDecision RuleTime unknown
NSAIDs类痛经药应在疼痛刚开始或经前1-2天预防性服用，而非等剧痛后再吃，因前列腺素已大量释放后止痛效果大打折扣
1
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90%
Confidence
Long-term
Relevance
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Related Claims
Unverified止痛效力越强的NSAIDs（如双氯芬酸、萘普生）抗炎镇痛更强、作用更持久（萘普生可维持8-12小时），但胃肠和心血管风险也更高；日常轻中度疼痛用布洛芬即可，无需上更强药物84% similarUnverified需经前3-5天开始服用并连续服用数个周期才能体现效果，无法像布洛芬等NSAIDs那样在痛经发作时快速止痛83% similarUnverified镇痛效果与安全性权衡：含NSAIDs的产品镇痛更强但肝肾负担大，仅适合短期急性疼痛（3-5天）；慢性关节疼痛应转向兽医处方的长效药或Adequan等注射剂而非长期涂抹凝胶83% similarUnverified慢性肌肉/关节炎症疼痛优先选含双氯芬酸二乙胺的NSAID喷雾，其抗炎作用比单纯薄荷醇冷感更能针对炎症根源，但连续使用不宜超过7-14天81% similarUnverified如果痛经每次只在开头1-2小时最剧烈、之后自行缓解，速释型布洛芬（如芬必得酚咖片或普通布洛芬片）可能更合适；若整天反复疼痛，缓释胶囊的长效优势才能体现80% similar
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