What Causes Hair Loss on the Legs?

Alan Lucks | MD

Medically reviewed by Alan Lucks | MD, Alan Lucks MDPC Private Practice - New York on January 1st, 2026.

Key Takeaways

  • Hair loss on the legs can result from a variety of medical and lifestyle factors, including circulation issues, skin conditions, and hormonal changes.
  • Peripheral artery disease (PAD) is a common cause linked to poor blood flow and can signal underlying cardiovascular problems.
  • Skin infections, eczema, and fungal conditions may also lead to localized hair thinning or loss.
  • Certain medications and autoimmune disorders can contribute to leg hair loss by affecting hair follicles or circulation.
  • Telehealth services like Doctronic.ai provide quick, affordable access to medical advice for diagnosing and managing hair loss concerns.

Understanding Hair Loss on the Legs

Hair loss on the legs is often overlooked, but it can be an important sign of an underlying health issue. Unlike scalp hair loss, thinning or missing hair on the legs may indicate problems with circulation, skin health, or systemic conditions. While some hair loss may be harmless, persistent or patchy hair loss warrants attention. Conditions such as peripheral artery disease (PAD) can lead to reduced blood flow, resulting in hair loss as the hair follicles do not receive the necessary nutrients and oxygen to thrive. Autoimmune disorders like alopecia areata can also manifest in unexpected areas, including the legs, leading to sudden patches of hair loss.

Leg hair naturally varies among individuals, but sudden changes or widespread loss should prompt a closer look. Identifying the cause can help guide effective treatment and prevent complications. For instance, hormonal imbalances, such as those caused by thyroid issues, can also contribute to hair loss in various parts of the body, including the legs. Skin conditions like eczema or psoriasis can affect the scalp and legs alike, leading to inflammation that may hinder hair growth. In some cases, lifestyle factors, such as poor nutrition or smoking, can exacerbate hair loss, making it crucial to evaluate one's overall health and habits when addressing this issue.

Common Causes of Leg Hair Loss

Poor Circulation and Peripheral Artery Disease (PAD)

One of the most frequent causes of leg hair loss is poor blood flow, especially due to peripheral artery disease. PAD occurs when arteries narrow and reduce blood supply to the limbs. This diminished circulation starves hair follicles of oxygen and nutrients, leading to thinning or loss of hair on the legs.

Other symptoms of PAD include leg pain when walking, coldness in the lower legs or feet, and slow-healing wounds. Since PAD is linked to cardiovascular disease, early detection is critical. If you notice leg hair loss accompanied by these symptoms, consulting a healthcare provider is important.

Skin Conditions Affecting Hair Growth

Various skin disorders can cause hair loss on the legs. Eczema and psoriasis may inflame the skin and damage hair follicles. Fungal infections like tinea corporis (ringworm) can create patchy hair loss with scaly, itchy skin.

Contact dermatitis triggered by allergens or irritants can also lead to localized hair thinning. Treating the underlying skin condition usually helps restore hair growth over time.

Hormonal and Autoimmune Factors

Hormonal imbalances, such as those caused by thyroid disorders, can disrupt hair growth cycles. Hypothyroidism, for example, often leads to dry skin and hair loss, including on the legs.

Autoimmune diseases like alopecia areata may target hair follicles, causing patchy hair loss anywhere on the body, including the legs. These conditions require specialized medical care to manage symptoms and promote regrowth.

Medication Side Effects

Certain medications may contribute to hair loss as a side effect. Drugs used for blood pressure, cholesterol, or cancer treatment can impact hair follicles or circulation. If you suspect your medication is causing leg hair loss, discuss alternatives or adjustments with your doctor.

Close-up of a person's lower leg and ankle with visible hair, as they pull up a piece of gray clothing.When to Seek Medical Advice

Signs That Warrant Professional Evaluation

  • Sudden or patchy hair loss on one or both legs

  • Associated symptoms such as pain, numbness, or color changes in the legs

  • Skin changes like redness, scaling, or ulcers

  • Slow-healing wounds or sores on the legs

  • History of cardiovascular disease or diabetes

If you experience any of these signs, prompt medical evaluation is important to identify the cause and prevent complications.

How Telehealth Can Help

Accessing care for leg hair loss is easier than ever with telehealth platforms like Doctronic.ai. Doctronic offers affordable, convenient video visits with licensed doctors across all 50 states. You can get expert guidance on your symptoms and treatment options without leaving home.

Doctronic’s AI doctor provides free, instant answers based on the latest medical research, helping you understand potential causes and next steps. This combination of AI and human care delivers fast, personalized support for your health concerns.

Managing and Preventing Hair Loss on the Legs

Improving Circulation

If poor circulation is the cause, lifestyle changes can make a significant difference. Regular exercise, quitting smoking, and controlling blood pressure and cholesterol help improve blood flow. Wearing compression stockings may also support circulation in the legs.

Taking Care of Your Skin

Maintaining healthy skin reduces the risk of infections and inflammation that can harm hair follicles. Use gentle moisturizers, avoid harsh soaps, and protect your skin from irritants. If you notice any rash or unusual changes, seek treatment promptly.

Addressing Underlying Health Issues

Managing conditions like thyroid disorders or autoimmune diseases requires medical treatment and monitoring. Follow your healthcare provider’s recommendations closely to minimize symptoms and support hair regrowth.

Medication Review

Review your medications with your doctor to identify any that may contribute to hair loss. Adjusting dosages or switching drugs can sometimes resolve the problem.

Key Benefits of Using Doctronic for Hair Loss Concerns

  • Instant AI-powered medical insights based on current research

  • Access to licensed doctors for video visits anytime, anywhere

  • Affordable care options under $40 per visit

  • Personalized care that remembers your history and preferences

Frequently Asked Questions

In many cases, yes. If the cause is identified and treated early, hair can regrow. For example, improving circulation or treating skin conditions often restores hair growth. However, some causes, like advanced autoimmune damage, may be more challenging to reverse.

Sometimes. Hair loss caused by poor circulation or autoimmune diseases can indicate underlying health issues that require medical attention. It is important to evaluate any sudden or unexplained hair loss with a healthcare professional.

Stress can affect hair growth cycles and may contribute to hair thinning. However, stress-related hair loss typically affects the scalp more than the legs. If you notice leg hair loss, other causes should be investigated.

Telehealth platforms like Doctronic.ai offer video visits with licensed doctors who can evaluate your symptoms remotely. You can discuss your concerns, share photos, and receive a diagnosis and treatment plan from home.

Maintaining good skin hygiene, moisturizing regularly, and improving circulation through exercise can help. Avoid harsh chemicals or frequent shaving that may irritate the skin. However, professional evaluation is recommended to address underlying causes.

References

The Bottom Line

Leg hair loss often signals underlying health issues like poor circulation (such as PAD), skin conditions, hormonal imbalances, autoimmune disorders, or medication side effects, warranting medical evaluation, and if the cause is unclear, Doctronic.ai offers fast, affordable, 24/7 telehealth access to licensed doctors and AI insights for evaluation and treatment guidance.

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