关节疼痛是指关节不适。有时，关节会肿胀和发热。
关节疼痛可能是许多疾病（包括某些病毒感染）的症状。关节疼痛最常见的原因是关节炎。关节炎有 100 多种类型。
关节疼痛可能为轻度，仅在某些活动后才引起酸痛。也可能较为严重，使得即使小幅度活动也非常痛苦。
June 17, 2023
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