Those with diabetes need to control their blood sugar with diet, exercise, and medications to prevent further nerve damage. People with anxiety can be treated with medications to reduce anxiety. People with cancer may need surgery, chemotherapy , or radiation therapy . If a drug or toxin caused the numbness, it should be stopped. Side effects depend on the treatments used.
All medications have possible side effects.
For instance, medications to treat diabetes may cause low blood sugar, liver damage, or allergic reactions . Specific side effects depend on the medications used. Surgery carries a risk of bleeding and infection. The outcome for numbness depends on the cause. If the cause can be treated, the numbness may or may not go away.