What causes sudden numbness?

Numbness: Numbness describes tingling or a loss o sensation. The usual culprits are a lack of blood supply or damage to nerves. Numbness can also result from local tissue injury from trauma, infection or inflammation. Without more specifics, this is difficult to answer and you should talk to your doctor.

Many possibilities: Numbness can occur from various reasons. Some potential causes include vitamin deficiency, nerve damage, nerve compression, alcohol over consumption, side effects of different medications, or as a result of different systemic medical conditions such as diabetes. Get evaluated by a professional to determine the diagnosis. Treatment is based on the diagnosis.