What Causes Hair Loss and Fatigue: Identifying the Causes

WrittenbyLuat Duong
Last updated

Experiencing hair loss coupled with fatigue can be disconcerting. While both symptoms may seem unrelated, they can often stem from the same root cause. In this guide, we delve into the question: What causes hair loss and fatigue? We'll discuss common triggers, potential treatments, and tips for maintaining overall wellness and healthy hair.

What Causes Hair Loss and Fatigue?

Hair loss and fatigue may occur due to a variety of factors, including hormonal imbalances, nutritional deficiencies, certain diseases, and lifestyle choices. Identifying the specific cause is crucial to finding the most effective treatment.

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Detailed Causes of Hair Loss and Fatigue

Hormonal Imbalances

Conditions like thyroid disease, polycystic ovary syndrome (PCOS), or menopause can cause hormonal imbalances leading to hair loss and fatigue. Both hyperthyroidism and hypothyroidism, for instance, can cause hair thinning and persistent fatigue.

Nutrient Deficiencies

Deficiencies in nutrients essential for hair growth and energy metabolism, such as iron, proteins, vitamin B12, and vitamin D, can cause hair loss and fatigue.

Autoimmune Disorders

Autoimmune conditions like alopecia areata and lupus can lead to hair loss. These conditions can also cause fatigue, along with other symptoms.

Stress and Mental Health Conditions

Chronic stress, depression, and anxiety disorders can cause physical symptoms such as hair loss and fatigue.

Chronic Fatigue Syndrome (CFS)

CFS is characterized by extreme fatigue that can't be explained by any underlying medical condition. The fatigue worsens with physical or mental activity but doesn't improve with rest. Some people with CFS experience additional symptoms, including hair loss.

Other Medical Conditions

Other medical conditions, such as fibromyalgia, cancer, diabetes, kidney disease, and liver disease, can cause both fatigue and hair loss.

Potential Treatments for Hair Loss and Fatigue

Treatment for hair loss and fatigue depends on identifying and addressing the underlying cause. This could range from dietary changes and medications to lifestyle modifications and therapies.

Medications and Supplements

If hormonal imbalances or nutrient deficiencies are the cause, hormone therapy or specific nutritional supplements may be recommended. Medications like Minoxidil (Rogaine) can also help with hair loss.

Therapies and Lifestyle Modifications

For hair loss and fatigue stemming from stress or mental health conditions, cognitive-behavioral therapy (CBT) or other forms of counseling could be beneficial. Lifestyle changes, including a balanced diet, regular exercise, and good sleep hygiene, can also help manage these symptoms.

Treatment of Underlying Medical Conditions

If hair loss and fatigue are due to an underlying medical condition, treating that condition is paramount. This might involve medications, surgery, or other treatments as per your healthcare provider's recommendation.


While hair loss and fatigue may seem unrelated, they often share common causes. By understanding these, you can begin to address the root of the problem rather than just the symptoms. If you're experiencing these issues, consult with a healthcare provider for an accurate diagnosis and appropriate treatment.

This article is for informational purposes only and does not constitute medical advice. Always consult with a healthcare professional for any health concerns.

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Luat Duong

Luat Duong is a Copenhagen-based writer and content strategist specializing in hair loss and health. His work has been featured in MyHealthGuide, The Right Hairstyles, and Woman's Era. He is a graduate of Vaasa University. You can connect with him on LinkedIn.