By Chris Sharry on April 14th, 2026 in Disability Eligibility, Disability Qualifying
Small fiber neuropathy (SFN) is a form of peripheral neuropathy. It happens when something damages small nerve fibers in your skin, causing symptoms like painful tingling or burning sensations in your hands and feet. The condition also can affect other small nerve fibers that manage essential body functions, like your blood pressure or heart rate.
Symptoms of small fiber neuropathy include abnormal sweating or temperature regulation, lightheadedness or fainting when standing up from hypotension or tachycardia, gastroparesis with bloating and constipation or diarrhea, incomplete bladder emptying or difficulty initiating a stream, sexual dysfunction from hypo or hypersensitivity, dryness and thinning of the skin, hair loss in the legs, and ridged or brittle nails.
Small fiber neuropathy (SFN) can qualify for Social Security disability benefits if it causes severe, chronic pain or autonomic dysfunction that prevents working for at least 12 months. The Social Security Administration (SSA) evaluates SFN under guidelines for peripheral neuropathy, requiring documentation of significant functional limitations.
Small fiber neuropathy (SFN) is evaluated under the Social Security Administration’s (SSA) Blue Book Listing 11.14 for Peripheral Neuropathy.
11.14 Peripheral neuropathy, characterized by A or B:
- Disorganization of motor function in two extremities, resulting in an extreme limitation in the ability to stand up from a seated position, balance while standing or walking, or use the upper extremities.
OR
- Marked limitation in physical functioning, and in one of the following:
- Understanding, remembering, or applying information; or
- Interacting with others; or
- Concentrating, persisting, or maintaining pace; or
- Adapting or managing oneself.
Building a Strong Disability Claim for Small Fiber Neuropathy
While small fiber neuropathy is not always straightforward to prove in a disability claim, individuals who experience severe, persistent symptoms may still qualify for benefits with the right medical evidence. Because SFN often involves chronic pain and autonomic dysfunction rather than obvious motor impairment, it is especially important to document how the condition limits daily activities, concentration, mobility, and the ability to maintain consistent work. Detailed treatment records, specialist evaluations, and clear descriptions of functional limitations can make a meaningful difference in the outcome of a claim. If you are struggling with small fiber neuropathy and considering applying for Social Security Disability benefits, Attorney Chris Sharry can help guide you through the process and advocate on your behalf. Contact our office today to schedule a case evaluation.
