Sudden numbness in the tip of the thumb is something worth paying attention to, especially with lupus in the picture. There are a few lupus-related reasons this could be happening:
- Peripheral neuropathy – Lupus-related inflammation can damage the nerves that carry signals to your hands and fingers, causing numbness or Show Full Answer
Sudden numbness in the tip of the thumb is something worth paying attention to, especially with lupus in the picture. There are a few lupus-related reasons this could be happening:
- Peripheral neuropathy – Lupus-related inflammation can damage the nerves that carry signals to your hands and fingers, causing numbness or tingling sensations.
- Carpal tunnel syndrome – Widespread inflammation from lupus can put pressure on the median nerve, which runs through the wrist into the hand, causing numbness in the fingers.
- Raynaud's phenomenon – A common lupus comorbidity where blood flow to the fingers is temporarily restricted, often triggered by cold temperatures or stress. Fingers may turn white, blue, then red, and feel numb or tingly. It's a good idea to let a rheumatologist know about this, especially since it's a new symptom. Tracking when it happens — like after cold exposure, stress, or certain hand positions — can really help them narrow down the cause.
Seek emergency care right away if the numbness is accompanied by:
- Weakness or inability to move
- Slurred speech
- Vision changes
- Confusion or loss of consciousness
- Trouble walking
These could signal something more urgent that needs immediate attention.
July 28
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