单手或双手麻木感是指您的手或手指失去感觉。手麻木往往伴随其他变化，比如针扎感、灼热感或刺痛感。您可能感觉手臂、手或手指笨拙或无力。
麻木感可能沿着单手或双手的某一条神经发生。
手麻木可能由手臂和手腕的一条神经或神经分支受到损伤、刺激或压迫所致。
糖尿病等影响周围神经的疾病也可能引起麻木感，但糖尿病引起的麻木感往往首先出现在足部。
在极少数情况下，麻木感可能由脑或脊髓问题引起。当这种情况发生时，还会出现手臂或手无力或丧失功能。麻木感本身通常与卒中或肿瘤等可能带来危险的疾病无关。
医生需要关于您症状的详细信息，以诊断您出现麻木感的原因。在开始治疗之前，可能需要各种检查来确认原因。
单手或双手出现麻木感的可能原因包括：
确定手部麻木感的原因很重要。如果麻木感持续存在或扩散到身体其他部位，请咨询医务人员。
手部麻木感的治疗取决于病因。
如果您的麻木感属于下列情况，请拨打 911 或寻求紧急医疗救助：
突然发生，尤其是当您伴有虚弱或瘫痪、意识模糊、说话困难、头晕或突发的重度头痛时。
如果您的麻木感属于下列情况，请安排就医：
- 开始或逐渐加重并持续。
- 扩散到身体其他部位。
- 影响身体两侧。
- 反复出现。
- 似乎与某些任务或活动有关，尤其是重复动作。
- 只影响手的一部分，比如只有手指感觉麻木。
显示参考文献
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Original article: https://www.mayoclinic.org/zh-hans/symptoms/numbness-in-hands/basics/causes/sym-20050842