4 doctors weighed in:

My left arm and hand are numb and my fingernails are blue. Could this be something serious?

4 doctors weighed in
Dr. Matt Malkin
Anesthesiology
1 doctor agrees

In brief: Depends

This may be raynaud's phenomenon, which is a blood vessel spasm. It is classically triggered by cold.
Treatments vary from medication to surgery. It may also be related to autoimmune diseases. Best to get evaluated by a physician for a full history and physical. Make note of what seems to trigger this. If it doesn't resolve quickly, you may need an er visit.

In brief: Depends

This may be raynaud's phenomenon, which is a blood vessel spasm. It is classically triggered by cold.
Treatments vary from medication to surgery. It may also be related to autoimmune diseases. Best to get evaluated by a physician for a full history and physical. Make note of what seems to trigger this. If it doesn't resolve quickly, you may need an er visit.
Dr. Matt Malkin
Dr. Matt Malkin
Thank
1 doctor agrees

In brief: Yes

You should seek medical attention immediately at your closest er.

In brief: Yes

You should seek medical attention immediately at your closest er.
Dr. Wesley Marquart
Dr. Wesley Marquart
Thank
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