Neuropathy

The peripheral nervous system is an intricate network of nerves that connects the brain and spinal cord to the rest of the body. These nerves control movement, relay sensations of touch, pain, and temperature, and regulate automatic functions like digestion and heart rate. Neuropathy occurs when these nerves are damaged, compressed, or disrupted — and the resulting symptoms depend on which type of nerve is affected: sensory nerves (producing abnormal sensations), motor nerves (causing weakness), or autonomic nerves (affecting involuntary body functions).

Neuropathy has many causes. In the context of cancer treatment, chemotherapy-induced peripheral neuropathy (CIPN) is a common and significant side effect of certain drugs, including taxanes (such as paclitaxel and docetaxel) and platinum-based agents used in breast and other cancers. CIPN typically begins in the fingertips and toes, producing tingling, numbness, or pain that can interfere with daily tasks. In some cases the symptoms resolve after treatment ends; in others they persist long-term.

In multiple sclerosis, neuropathy-like symptoms arise from demyelination in the central nervous system — nerve signals cannot travel properly through damaged areas, producing numbness, tingling, or weakness that may come and go. Other causes of neuropathy include diabetes, vitamin deficiencies (especially B12), thyroid disorders, and autoimmune conditions. Accurate diagnosis of the underlying cause guides treatment choices.

Neuropathy can significantly affect quality of life, making it harder to button clothing, feel the ground under your feet, or manage daily tasks without discomfort. If you are undergoing chemotherapy and notice tingling or numbness developing in your hands or feet, telling your oncologist promptly is important — dose adjustments or medication changes may help limit the severity of nerve damage.

For women with multiple sclerosis or other neurological conditions, neuropathy symptoms are often among the most disruptive day-to-day experiences. Physical therapy, medications that target nerve pain, and occupational therapy strategies can all contribute to managing symptoms and maintaining independence. You deserve to have these symptoms taken seriously and treated as part of your overall care plan.