7 Different Types of Hair Loss and its cause

Types of Hair Loss

Hair loss can occur due to various reasons, and understanding the different types of hair loss and their underlying causes is crucial for effective treatment and management. From genetic factors to medical conditions and lifestyle choices, multiple factors can contribute to hair loss. This article aims to provide a comprehensive overview of different types of hair loss and the causes associated with each.

Androgenetic Alopecia

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Androgenetic alopecia, commonly known as male or female pattern baldness, is the most prevalent form of hair loss, affecting millions of people worldwide. It is a gradual and progressive condition that predominantly occurs in individuals with a genetic predisposition. Understanding the causes, patterns, and treatment options for androgenetic alopecia is essential for those affected by this condition. Let’s delve deeper into the topic of androgenetic alopecia and explore its various aspects.

Causes and Genetic Factors:

Androgenetic alopecia is primarily influenced by a combination of genetic and hormonal factors. In individuals with a genetic predisposition, certain hair follicles become sensitive to dihydrotestosterone (DHT), a hormone derived from testosterone. DHT binds to receptors in the hair follicles, leading to miniaturization and shrinking of the follicles over time. This process disrupts the hair growth cycle, resulting in shorter, finer, and eventually, no hair growth.

Patterns of Hair Loss:

Androgenetic alopecia follows distinct patterns in both men and women. In men, it typically begins with a receding hairline, often forming an “M” shape, and thinning at the crown (vertex). Over time, these areas may gradually expand and merge, leaving a horseshoe-shaped ring of hair around the sides and back of the head. In women, androgenetic alopecia usually manifests as diffuse hair thinning throughout the scalp, with preservation of the frontal hairline.

Contributing Factors:

Although genetics play a significant role in androgenetic alopecia, certain factors can influence the condition’s severity and progression. Hormonal changes, such as an increase in androgen levels during puberty or hormonal imbalances, can accelerate hair loss in susceptible individuals. Other factors, including age, chronic stress, smoking, and certain medical conditions, may exacerbate the condition or contribute to premature onset.

Diagnosis and Evaluation:

Diagnosing androgenetic alopecia involves a thorough medical history review and a physical examination of the scalp. The pattern of hair loss, family history, and other contributing factors are taken into account. In some cases, a scalp biopsy or blood tests may be performed to rule out other potential causes of hair loss.

Treatment Options:

While there is no definitive cure for androgenetic alopecia, several treatment options are available to slow down hair loss progression and promote hair regrowth. These include:

  • Medications: FDA-approved medications such as minoxidil (topical) and finasteride (oral) are commonly prescribed for androgenetic alopecia. Minoxidil promotes hair growth by increasing blood flow to the hair follicles, while finasteride helps block the conversion of testosterone to DHT, reducing its effects on the hair follicles.
  • Low-Level Laser Therapy (LLLT): LLLT devices, such as laser combs or helmets, use red light therapy to stimulate hair growth and improve the overall health of the hair follicles.
  • Hair Transplantation: Hair transplantation is a surgical procedure that involves harvesting healthy hair follicles from areas of the scalp resistant to DHT and implanting them into the thinning or balding areas. This procedure offers a long-lasting solution for hair restoration.
  • Camouflage Techniques: Various cosmetic techniques, such as hair fibers, scalp micropigmentation, or hairpieces, can help conceal thinning areas and create the appearance of fuller hair.

Alopecia Areata:

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Telogen effluvium is a common type of hair loss characterized by excessive shedding of hair. It occurs when a significant number of hair follicles enter the resting phase (telogen) prematurely, leading to a noticeable increase in hair fall. Telogen effluvium is often triggered by various factors, such as physical or emotional stress, hormonal changes, certain medications, nutritional deficiencies, or underlying medical conditions. Understanding the causes, symptoms, and potential treatments for telogen effluvium can help individuals manage and address this condition effectively.

Causes and Triggers:

Telogen effluvium can be triggered by several factors that disrupt the hair growth cycle. Some common causes include:

  • Physical or Emotional Stress: Severe physical stress, such as surgery, childbirth, or a major illness, can shock the body and push a large number of hair follicles into the resting phase. Emotional stressors, such as grief, divorce, or high levels of anxiety, can also contribute to telogen effluvium.
  • Hormonal Changes: Hormonal fluctuations, such as those occurring after childbirth, during menopause, or due to thyroid disorders, can disrupt the hair growth cycle and lead to excessive shedding.
  • Medications and Medical Treatments: Certain medications, such as antidepressants, beta-blockers, retinoids, and anticoagulants, can induce telogen effluvium as a side effect. Additionally, medical treatments like chemotherapy or radiation therapy can trigger temporary hair loss.
  • Nutritional Deficiencies: Inadequate intake or absorption of essential nutrients, such as iron, zinc, biotin, or vitamin D, can disrupt the hair growth cycle and contribute to telogen effluvium. Poor diet, crash diets, or eating disorders can also be contributing factors.
  • Underlying Medical Conditions: Telogen effluvium can occur as a result of underlying medical conditions, including thyroid disorders, autoimmune diseases, or scalp infections. Treating the underlying condition is crucial for resolving the associated hair shedding.

Symptoms and Diagnosis:

Telogen effluvium is characterized by excessive shedding of hair from all over the scalp. Unlike some other types of hair loss, telogen effluvium typically does not result in noticeable bald patches or receding hairlines. Instead, individuals may experience increased hair fall during washing, brushing, or even gentle tugging. Hair thinning or a reduction in hair volume may become apparent over time. Diagnosis is often made based on a thorough medical history, physical examination, and evaluation of any underlying factors or triggers.

Treatment and Management:

In most cases, telogen effluvium is a temporary condition, and hair regrowth occurs naturally once the underlying trigger is resolved. However, certain steps can be taken to manage and support healthy hair growth:

Identifying and Addressing the Underlying Cause: It is crucial to identify and address the underlying cause or trigger of telogen effluvium. This may involve lifestyle changes, stress management techniques, treatment of medical conditions, or adjustment of medications under the guidance of a healthcare professional.

Nutritional Support: Ensuring a balanced and nutrient-rich diet can promote hair health. In some cases, dietary supplements recommended by a healthcare professional may be beneficial to address any identified nutritional deficiencies.

Gentle Hair Care Practices: Avoid aggressive brushing or styling techniques that can cause further hair damage. Use a wide-toothed comb or a brush with soft bristles to minimize hair breakage. It is also advisable to avoid hairstyles that exert excessive tension on the hair.

Patience and Emotional Support: Coping with hair loss can be emotionally challenging. Seek support from loved ones, support groups, or counseling to manage stress and maintain a positive mindset. Remember that regrowth takes time, and hair shedding is usually temporary in telogen effluvium.

Alopecia areata

Types of hair fall
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Alopecia areata is an autoimmune disorder characterized by patchy hair loss that occurs when the immune system mistakenly attacks the hair follicles. This condition affects both men and women of all ages, including children. Understanding the causes, symptoms, and available treatment options for alopecia areata can help individuals manage and cope with this unpredictable hair loss condition.

Autoimmune Mechanism:

In individuals with alopecia areata, the immune system mistakenly identifies hair follicles as foreign and attacks them. The exact cause of this autoimmune reaction is not fully understood, but genetic and environmental factors are believed to play a role. It is thought that certain genes and triggers, such as viral or bacterial infections, may contribute to the development of alopecia areata.

Patchy Hair Loss Patterns:

The characteristic feature of alopecia areata is the appearance of round or oval-shaped bald patches on the scalp. These patches are usually smooth and devoid of hair. In some cases, the condition may progress to more extensive hair loss, affecting larger areas of the scalp or even the entire scalp (alopecia totalis) or body (alopecia universalis). The severity and extent of hair loss can vary widely among individuals.

Associated Symptoms and Complications:

Apart from hair loss, individuals with alopecia areata may experience sensations of itching, tingling, or slight discomfort in the affected areas. It is important to note that alopecia areata does not cause any physical harm, and affected individuals are otherwise healthy. However, the emotional and psychological impact of hair loss can be significant, leading to feelings of self-consciousness, lowered self-esteem, and anxiety.

Triggers and Contributing Factors:

While the exact triggers for alopecia areata are unknown, certain factors may influence its development or recurrence. These factors include:

  • Genetics: Having a family history of autoimmune conditions or alopecia areata increases the risk of developing the condition.
  • Immune System Dysfunction: Imbalances or abnormalities in the immune system may contribute to the onset of alopecia areata.
  • Environmental Factors: Viral or bacterial infections, as well as emotional stress, have been associated with the onset or worsening of alopecia areata in some individuals.

Treatment Options:

Alopecia areata is a challenging condition to treat, and there is no definitive cure. However, several treatment options are available to manage and promote hair regrowth:

  • Topical Treatments: Medications such as corticosteroids or minoxidil can be applied topically to the affected areas to reduce inflammation and stimulate hair regrowth.
  • Intralesional Corticosteroid Injections: Injecting corticosteroids directly into the bald patches helps suppress the immune response and promote hair regrowth.
  • Systemic Treatments: In more extensive cases or when other treatments fail, oral medications or immunosuppressive drugs may be prescribed to modulate the immune response.
  • Alternative Therapies: Some individuals explore alternative treatments such as contact immunotherapy or phototherapy, which aim to stimulate the immune system or promote hair regrowth through specific light wavelengths.

Psychological Support:

Given the emotional impact of alopecia areata, psychological support is crucial. Counseling, support groups, or therapy can help individuals cope with the psychological effects of hair loss, build self-confidence, and develop strategies to manage any related anxiety or stress.

Traction Alopecia

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Traction alopecia is a form of hair loss caused by prolonged and repetitive tension applied to the hair follicles. This condition is commonly seen in individuals who frequently wear tight hairstyles, such as ponytails, braids, cornrows, or hair extensions. Understanding the causes, risk factors, and prevention strategies for traction alopecia is essential for maintaining healthy hair and preventing long-term damage.

Hair Care Practices and Styling:

Traction alopecia often occurs as a result of certain hair care practices and styling choices. Hairstyles that exert excessive tension on the hair, such as tight ponytails, buns, or braids, can pull on the hair follicles. Over time, this constant tension weakens the follicles, leading to hair breakage, thinning, and eventual hair loss.

Risk Factors and Contributing Factors:

Certain factors can increase the risk of developing traction alopecia:

  • Hairstyles: Regularly wearing tight hairstyles that pull on the hair, particularly for extended periods, increases the risk of traction alopecia. This is especially true if the hairstyle is combined with the use of heavy hair extensions or accessories.
  • Hair Texture: Individuals with fine or delicate hair are more susceptible to traction alopecia as their hair may be more prone to breakage and damage under tension.
  • Frequency and Duration: The frequency and duration of wearing tight hairstyles play a role in the development of traction alopecia. The longer and more frequently the hair is subjected to tension, the greater the risk of hair loss.
  • Hair Care Practices: Poor hair care practices, such as aggressive brushing, excessive heat styling, or the use of harsh chemicals, can weaken the hair shafts and contribute to traction alopecia.

Symptoms and Patterns of Hair Loss:

Traction alopecia typically presents as hair loss along the hairline or areas where tension is applied. The hairline may recede, and there may be visible thinning or a widening part line. In severe cases, the hair loss can extend to the crown or the entire scalp. It is important to note that traction alopecia can be reversible if identified and addressed early, but long-term or chronic tension can cause permanent damage.

Prevention and Management: Preventing traction alopecia involves adopting healthy hair care practices and minimizing excessive tension on the hair follicles:

  • Looser Hairstyles: Opt for looser hairstyles that do not pull tightly on the hair. Avoid wearing hairstyles that cause discomfort or pain.
  • Alternating Hairstyles: Allow the hair to rest by alternating hairstyles that distribute the tension more evenly, such as loose braids, gentle updos, or letting the hair down.
  • Avoiding Heavy Extensions or Accessories: If using hair extensions or accessories, choose lighter options that do not place excessive strain on the hair follicles.
  • Gentle Hair Care: Use a wide-toothed comb or a brush with soft bristles to minimize hair breakage. Avoid aggressive brushing, harsh chemicals, and excessive heat styling that can weaken the hair strands.
  • Regular Breaks: Take regular breaks from wearing hairstyles that exert tension, allowing the hair follicles to recover and rejuvenate.

Treatment Options:

In mild cases of traction alopecia, simply adopting healthier hair care practices and avoiding further tension can allow the hair to regrow naturally. However, if the condition is more advanced or permanent damage has occurred, hair restoration treatments such as hair transplant surgery may be considered. Consulting with a dermatologist or hair specialist is recommended to determine the most appropriate treatment approach based on individual needs.


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Trichotillomania is a complex psychological disorder characterized by an irresistible urge to pull out one’s own hair, resulting in noticeable hair loss. It falls under the category of impulse control disorders and can have a significant impact on an individual’s emotional well-being and quality of life. Understanding the causes, symptoms, and available treatment options for trichotillomania is essential for those affected by this disorder.

Symptoms and Behavioral Patterns:

Trichotillomania is characterized by recurrent hair pulling, which can involve the scalp, eyebrows, eyelashes, or other body areas. The act of pulling out hair provides a sense of gratification or relief, although it is often followed by feelings of guilt, shame, or regret. Individuals with trichotillomania may experience increasing tension or anxiety before pulling their hair and a sense of pleasure or satisfaction afterward. Hair pulling can be conscious or unconscious, and it may be associated with certain triggers, such as stress, boredom, or anxiety.

Causes and Contributing Factors:

The exact cause of trichotillomania is not fully understood, but it is believed to involve a combination of genetic, environmental, and psychological factors. Some individuals with trichotillomania may have a family history of the disorder or other mental health conditions, suggesting a possible genetic predisposition. Stressful life events, trauma, or difficulties in coping with emotions may also contribute to the development of trichotillomania.

Emotional and Psychological Impact:

Trichotillomania can have profound emotional and psychological consequences for individuals. Hair loss resulting from hair pulling can cause feelings of shame, embarrassment, and low self-esteem. The urge to pull out hair and the subsequent loss can create distress, frustration, and difficulty in social situations. Individuals with trichotillomania may experience significant psychological distress, anxiety, or depression related to their hair-pulling behaviors.

Diagnosis and Treatment:

Diagnosing trichotillomania involves a comprehensive evaluation by a mental health professional, such as a psychiatrist or psychologist. The clinician will assess the presence of hair-pulling behaviors, the impact on daily functioning, and any co-occurring mental health conditions. It is crucial to differentiate trichotillomania from other medical conditions that can cause hair loss.

Treatment for trichotillomania typically involves a combination of therapeutic interventions:

  • Cognitive-Behavioral Therapy (CBT): CBT is the most common and effective treatment approach for trichotillomania. It focuses on identifying and modifying the thoughts, emotions, and behaviors associated with hair pulling. Techniques such as habit reversal training, stimulus control, and cognitive restructuring can help individuals develop healthier coping mechanisms and reduce hair-pulling behaviors.
  • Acceptance and Commitment Therapy (ACT): ACT helps individuals accept their urges and develop mindfulness skills to manage them more effectively. It aims to reduce the distress associated with hair pulling and improve overall well-being.
  • Medication: In some cases, medication may be prescribed to address underlying mental health conditions that may contribute to trichotillomania, such as depression or anxiety. Selective serotonin reuptake inhibitors (SSRIs) or other psychiatric medications may be considered under the guidance of a healthcare professional.
  • Support Groups: Joining support groups or seeking peer support from individuals who understand the challenges of trichotillomania can provide a sense of belonging, validation, and encouragement during the recovery process.

Medical Conditions and Treatments

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Hair loss can be a symptom or side effect of various medical conditions and treatments. Understanding the connection between certain health conditions and hair loss, as well as the impact of specific treatments on hair health, is important for individuals experiencing hair loss. This article explores common medical conditions and treatments that can contribute to hair loss and discusses possible management strategies.

Thyroid Disorders:

Thyroid disorders, such as hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid), can cause changes in hair growth and lead to hair loss. In hypothyroidism, the body’s metabolism slows down, affecting the hair follicles’ normal growth cycle. Hair may become dry, brittle, and thin. In hyperthyroidism, the accelerated metabolic rate can disrupt the hair growth cycle, resulting in increased shedding or thinning of hair. Treating the underlying thyroid condition with medication or other interventions can help restore hair growth.

Autoimmune Diseases:

Certain autoimmune diseases, such as systemic lupus erythematosus (SLE) or alopecia areata, can cause hair loss. In autoimmune conditions, the immune system mistakenly attacks healthy tissues, including the hair follicles. This leads to inflammation, follicle damage, and subsequent hair loss. Managing the underlying autoimmune condition through appropriate medical treatments and therapies is crucial for minimizing hair loss and promoting regrowth.

Scalp Infections:

Scalp infections, such as ringworm (tinea capitis), can cause hair loss. Fungal infections can invade the scalp, leading to inflammation and damage to the hair follicles. This can result in patchy hair loss and scalp irritation. Treating the underlying infection with antifungal medications can help resolve the condition and promote hair regrowth.

Chemotherapy and Radiation Therapy:

Cancer treatments like chemotherapy and radiation therapy target rapidly dividing cells, including hair follicles. These treatments can lead to temporary hair loss, known as chemotherapy-induced alopecia or radiation-induced alopecia. Hair loss may occur on the scalp, eyebrows, eyelashes, and other body areas. Hair regrowth typically resumes after the completion of treatment, although the texture and color of the regrown hair may be different. Scalp cooling techniques and scalp moisturization during chemotherapy can help minimize hair loss to some extent.


Certain medications can cause hair loss as a side effect. Examples include anticoagulants, beta-blockers, retinoids, anticonvulsants, and some antidepressants. Hair loss due to medications is often temporary and reversible upon discontinuing or adjusting the dosage. It is important to consult with a healthcare professional or pharmacist regarding any medication-related concerns.

Nutritional Deficiencies:

Inadequate nutrition or certain nutritional deficiencies can impact hair health and contribute to hair loss. Deficiencies in essential nutrients like iron, zinc, biotin, and vitamins (such as vitamin D and vitamin B12) can disrupt the hair growth cycle, leading to hair thinning and shedding. Addressing nutritional deficiencies through dietary modifications and, if necessary, supplementation can support healthy hair growth.

Management of hair loss associated with medical conditions and treatments often involves a multi-faceted approach:

  • Treating the Underlying Condition: Managing the primary medical condition through appropriate medical treatments, lifestyle modifications, or therapies can help minimize hair loss and promote hair regrowth.
  • Supportive Hair Care: Adopting gentle hair care practices, using mild shampoos and conditioners, and avoiding excessive heat styling or chemical treatments can minimize further damage to the hair.
  • Scalp Treatments: Depending on the underlying cause, specific scalp treatments or medicated shampoos may be recommended to address scalp infections or inflammation.

Nutritional Deficiencies

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Proper nutrition plays a vital role in maintaining healthy hair. Nutritional deficiencies can have a significant impact on the health and growth of hair, leading to various hair-related issues, including hair loss, thinning, and dullness. This article explores common nutritional deficiencies that can affect hair health and discusses the importance of a well-balanced diet for promoting optimal hair growth.

Iron Deficiency:

Iron is essential for the production of hemoglobin, which carries oxygen to the cells, including the hair follicles. Iron deficiency, known as anemia, can result in decreased oxygen supply to the hair follicles, leading to hair thinning and increased hair shedding. Incorporating iron-rich foods such as lean meats, leafy greens, legumes, and fortified cereals can help prevent iron deficiency and support healthy hair growth.

Zinc Deficiency:

Zinc is a mineral that plays a crucial role in various biological processes, including DNA and protein synthesis. It is involved in the production and maintenance of hair tissues. Zinc deficiency can lead to hair loss, dry scalp, and slow hair growth. Foods rich in zinc include oysters, lean meats, poultry, legumes, nuts, and seeds. Ensuring an adequate intake of zinc through a balanced diet can promote healthy hair.

Biotin Deficiency:

Biotin, also known as vitamin B7, is essential for the metabolism of amino acids, the building blocks of proteins, which are vital for hair structure. Biotin deficiency can result in brittle hair, hair loss, and slow hair growth. Good dietary sources of biotin include eggs, nuts, seeds, salmon, sweet potatoes, and leafy greens. Including biotin-rich foods in the diet or taking biotin supplements, under medical guidance, can help address deficiencies and improve hair health.

Vitamin D Deficiency:

Vitamin D plays a role in hair follicle cycling and hair growth. Insufficient exposure to sunlight and low dietary intake of vitamin D can contribute to deficiency. Vitamin D deficiency may result in hair loss, thinning, or even alopecia areata. Sun exposure and consuming foods rich in vitamin D, such as fatty fish, fortified dairy products, and egg yolks, can help maintain adequate vitamin D levels and support healthy hair growth.

Vitamin E Deficiency:

Vitamin E is an antioxidant that helps protect cells from oxidative stress. It is involved in promoting blood circulation, which is crucial for delivering oxygen and nutrients to the hair follicles. Vitamin E deficiency may lead to hair thinning, slow hair growth, and increased hair breakage. Dietary sources of vitamin E include nuts, seeds, vegetable oils, and leafy greens. Including these foods in the diet can help prevent vitamin E deficiency and support hair health.

Protein Deficiency:

Protein is essential for the structure and strength of hair strands. Inadequate protein intake can result in weak and brittle hair, slow hair growth, and increased hair shedding. Including protein-rich foods such as lean meats, poultry, fish, legumes, dairy products, and nuts can help meet the body’s protein needs and promote healthy hair growth.

Maintaining a well-balanced diet that includes a variety of nutrient-rich foods is crucial for supporting healthy hair growth and preventing nutritional deficiencies.

Different Types of Hair Loss Conclusion:

Hair loss can be attributed to a variety of causes, including genetic factors, hormonal imbalances, nutritional deficiencies, medical conditions, and certain medications. Understanding the underlying causes of hair loss is essential for effective management and treatment. By recognizing these causes, individuals can take proactive steps to address them and promote healthy hair growth.

Genetics play a significant role in hair loss, particularly with conditions like androgenetic alopecia. Hormonal imbalances, such as those experienced during pregnancy or due to medical conditions, can also contribute to hair loss. Nutritional deficiencies, such as iron, zinc, or biotin deficiencies, can impact hair health, emphasizing the importance of a well-balanced diet.

Medical conditions like thyroid disorders, autoimmune diseases, and scalp infections can lead to hair loss. Additionally, certain medications, particularly chemotherapy and radiation therapy, can cause temporary hair loss. Treating the underlying conditions, adjusting medications, and adopting supportive hair care practices can help manage hair loss in these cases.

Maintaining healthy hair care practices, managing stress levels, and seeking psychological support can be beneficial for individuals experiencing hair loss due to factors like stress, trichotillomania, or traction alopecia. Seeking professional guidance from healthcare providers, dermatologists, or mental health professionals can provide individuals with the necessary tools and treatments to address their specific conditions.

Incorporating a balanced diet, rich in essential nutrients like iron, zinc, biotin, and vitamins, can support healthy hair growth and prevent nutritional deficiencies that contribute to hair loss. However, it is important to consult with healthcare professionals or registered dietitians for personalized dietary recommendations and guidance.

Overall, understanding the various causes of hair loss and their respective treatments empowers individuals to take control of their hair health. Through appropriate management, adopting healthy practices, and seeking professional advice, individuals can optimize their hair growth, improve their self-esteem, and enjoy healthier, more vibrant hair.

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