What causes numbness in the little finger?

Numbness in the little finger may be caused by several factors:

1. Poor blood circulation: Maintaining the same posture for prolonged periods, such as holding a pen, using a mobile phone, or working on a computer, may lead to poor blood circulation in the palm and fingers, resulting in numbness in the little finger. This condition usually improves after changing posture or engaging in appropriate movement.

2. Localized pressure: Pressure on the arm while sleeping or prolonged use of a mouse or keyboard may compress nerves, leading to numbness in the little finger.

3. Exposure to cold: Low environmental temperatures causing the little finger to become chilled may also impair local circulation and result in numbness.

4. Overuse or strain: Prolonged keyboard use or other activities that strain the little finger may lead to impaired blood circulation and subsequent numbness.

5. Cervical spondylosis: Cervical spine disorders often cause numbness in the arms and fingers, including the little finger. This occurs because cervical spondylosis may compress nerve roots, leading to sensory and motor dysfunction in the affected areas. In addition to numbness in the little finger, symptoms such as neck pain and stiffness may also be present.

If the numbness in the little finger persists or is accompanied by other uncomfortable symptoms, it is recommended to seek medical evaluation immediately.