Hair Loss

Hair Loss

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Table of contents
OverviewCauses of Hair LossTypes of Hair LossDiagnosis of Hair LossTreatment options for Hair LossPrevention and home care for Hair LossWhen to seek medical attentionFrequently asked questions about Hair LossConclusionSources
Navin Khosla NowPatientGreen tick
Medically reviewed by Navin Khosla, BPharm and written by Rajive Patel, BPharm - Updated on 26 Jan 2024
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Hair loss, medically known as alopecia, is a common condition that can affect both men and women. It can occur due to various factors, including hereditary, hormonal changes, medical conditions, and age. Understanding the causes, types, and treatment options for hair loss is essential for those experiencing this condition. In this comprehensive guide, we will explore the different aspects of hair loss, from its causes to available treatment options.

Causes of Hair Loss

Hair loss can be attributed to several factors, including genetics, physical or emotional stress, medical conditions, and certain medications. Understanding the underlying cause of hair loss is crucial in determining the appropriate treatment approach. Let’s delve into some common causes of hair loss:

Hereditary Hair Loss

One of the most prevalent causes of hair loss is hereditary or pattern baldness. This type of hair loss affects both men and women, albeit in different patterns. For men, hair loss typically begins with a receding hairline and thinning at the crown, forming an “M” shape. Women, on the other hand, often experience overall thinning hair on the scalp without significant receding of the hairline.

Physical or emotional stress

Physical or emotional stress can lead to a type of hair loss called telogen effluvium. This condition occurs when a significant amount of hair enters the resting phase (telogen phase) simultaneously, resulting in excessive shedding. Telogen effluvium is usually temporary, and hair growth resumes once the underlying stressor is resolved.

Medical conditions

Hair loss can be a symptom of various medical conditions, including autoimmune diseases like lupus and alopecia areata. Other conditions that can cause hair loss include thyroid disorders, hormonal imbalances, anemia, and scalp infections such as ringworm. Identifying and treating the underlying medical condition is essential for managing hair loss effectively.


Certain medications can cause hair loss as a side effect. Drugs used for cancer treatment, arthritis, high blood pressure, and depression are known to cause hair loss. If you suspect that your medication is contributing to hair loss, consult with your doctor to explore alternative options or adjust the dosage.

Types of Hair Loss

Hair loss can manifest in different forms, depending on the underlying cause and the specific characteristics of each individual. Let’s explore some common types of hair loss:

Androgenic Alopecia

Androgenic alopecia, also known as male-pattern or female-pattern baldness, is the most common type of hair loss. It is hereditary and typically occurs gradually over time. In men, it often starts with a receding hairline and thinning at the crown. In women, it leads to overall thinning of hair on the scalp without significant receding.

Alopecia Areata

Alopecia areata is an autoimmune condition characterized by patchy hair loss. It occurs when the immune system mistakenly attacks hair follicles, resulting in circular or oval-shaped bald patches. In some cases, alopecia areata can progress to total hair loss on the scalp (alopecia totalis) or even complete hair loss on the entire body (alopecia universalis).

Telogen Effluvium

Telogen effluvium is a temporary form of hair loss that occurs due to physical or emotional stress, hormonal changes, or certain medical conditions. It causes a significant increase in hair shedding, resulting in generalized thinning of the scalp hair. Telogen effluvium is usually reversible, and hair regrowth occurs once the underlying trigger is resolved.

Tinea Capitis

Tinea capitis, also known as scalp ringworm, is a fungal infection that affects the scalp and hair shafts. It often leads to patchy hair loss, accompanied by itching, scaling, and redness. Prompt treatment with antifungal medications is necessary to manage tinea capitis effectively.

Traction Alopecia

Wearing your hair tightly pulled back continually, such as pigtails, ponytails, braids or cornrows can lead to permanent hair loss. This condition is known as traction alopecia. If you color or perm your hair, you could also be damaging your hair. This damage over time can also lead to hair loss.


The loss of hair caused by compulsive pulling and bending of the hairs. This disorder usually begins around the start of puberty and may continue through adulthood. The constant extraction of hair roots may cause permanent hair loss.

Anagen effluvium

This is a rapid loss of hair, usually because of chemotherapy or radiation treatment.

Diagnosis of Hair Loss

Diagnosing the underlying cause of hair loss involves a comprehensive evaluation of the individual’s medical history, physical examination, and sometimes additional tests. The following diagnostic methods are commonly used:

Medical history and physical examination

Your doctor will begin by gathering information about your medical history, including any family history of hair loss, recent illnesses, surgeries, or major life events. They will also conduct a thorough physical examination of your scalp and hair to assess the pattern and severity of hair loss.

Blood tests

Blood tests may be performed to identify any underlying medical conditions or nutritional deficiencies that could contribute to hair loss. These tests can help evaluate hormone levels, iron levels, thyroid function, and other factors that may affect hair growth.

Scalp biopsy

In some cases, a scalp biopsy may be necessary to examine the hair follicles and surrounding tissue under a microscope. This procedure involves removing a small sample of skin or plucking a few hairs from the affected area for further analysis.

Treatment options for Hair Loss

Medical treatment for hair loss depends on the underlying cause and the individual’s specific needs and preferences. Here are some common treatment options:


Medications can be used to slow down hair loss, stimulate hair regrowth, or manage underlying medical conditions contributing to hair loss. Minoxidil (Rogaine) is an over-the-counter medication available in liquid, foam, and shampoo forms. It is commonly used for pattern baldness and can help regrow hair or slow down hair loss. Finasteride (Propecia) is a prescription medication for men that can also slow down hair loss and promote hair regrowth.

Hair transplant surgery

Hair transplant surgery is an option for individuals with significant hair loss who desire a more permanent solution. During the procedure, hair follicles are extracted from the donor area (usually the back of the scalp) and transplanted to the bald or thinning areas. This surgical intervention can provide natural-looking results and long-term hair growth.

Laser therapy

Low-level laser therapy (LLLT) is a non-invasive treatment option that uses red light wavelengths to stimulate hair follicles and promote hair growth. LLLT devices are available for home use or can be administered by dermatologists. Although more research is needed to establish its effectiveness fully, some studies have shown promising results in improving hair density.

Prevention and home care for Hair Loss

While not all forms of hair loss can be prevented, certain lifestyle modifications and self-care practices can help maintain healthy hair and minimize the risk of hair loss. Here are some preventive measures and home care tips:

Practice good Hair Care

Gentle hair care practices can help maintain the health and strength of your hair. Avoid excessive heat styling, harsh chemical treatments, and hairstyles that pull tightly on the hair. Use a wide-toothed comb to prevent hair breakage and avoid excessive brushing when the hair is wet.

Maintain a balanced diet

Deficiencies in vitamins A, B, C, D, and E, as well as an iron deficiency have been linked to hair loss. A well-balanced diet that includes essential nutrients, such as vitamins, minerals, and proteins, is crucial for healthy hair growth. Incorporate foods rich in iron, zinc, biotin, and omega-3 fatty acids into your diet to support hair health.

Manage stress

Chronic stress can contribute to hair loss. Finding healthy ways to manage stress, such as practicing relaxation techniques, engaging in physical activity, or seeking support from loved ones, can help reduce the impact of stress on hair health.

Protect your hair from environmental damage

Protecting your hair from excessive sun exposure, harsh weather conditions, and environmental pollutants can help prevent damage and minimize hair loss. Wear a hat or use sunscreen on your scalp when spending prolonged periods in the sun and avoid exposing your hair to excessive heat or chemical treatments.

When to seek medical attention

If you are experiencing significant hair loss or notice any concerning symptoms associated with hair loss, it is important to seek medical attention. Consult a dermatologist or a healthcare professional specializing in hair loss for an accurate diagnosis and appropriate treatment recommendations. Here are some signs that indicate the need for medical attention:

  • Rapid or severe hair loss at an early age
  • Patchy hair loss or bald spots
  • Pain or itching accompanied by hair loss
  • Changes in the texture or appearance of the scalp
  • Hair loss accompanied by other symptoms, such as weight gain, muscle weakness, or abnormal menstrual cycles

Frequently asked questions about Hair Loss

Am I losing more hair than I should be?

Hair shedding is a normal part of the hair growth cycle. On average, individuals can lose between 50 to 100 strands of hair per day, according to the American Academy of Dermatology. However, factors such as age, hormonal changes, and certain medical conditions can contribute to increased hair shedding. If you’re noticing an excessive amount of hair in your shower drain or hairbrush, it may be a cause for concern. It’s important to consult with a hair restoration specialist who can assess your individual situation and determine if your hair loss is within the normal range or if further evaluation is needed.

How do I know if my hair loss is due to male pattern baldness?

Male pattern baldness, also known as androgenetic alopecia, is the most common type of hair loss in men. It is characterized by a gradual thinning of the hair on the crown (top of the head) and temples, eventually leading to a receding hairline and bald patches. If you’re experiencing hair loss in these specific patterns, it may be an indication of male pattern baldness. However, it’s important to consult with a hair loss specialist to receive an accurate diagnosis and determine the most appropriate treatment options.

Can I stop my male pattern baldness from happening?

Male pattern baldness is primarily influenced by genetics and hormonal factors. While it may not be possible to completely prevent male pattern baldness, early intervention can help slow down its progression and preserve existing hair. There are medications, such as minoxidil and finasteride, that can be effective in treating male pattern baldness. These medications work by stimulating hair growth and preventing further hair loss. It’s crucial to consult with a hair loss specialist to discuss the most suitable treatment options for your specific case.

Does frequent combing cause hair loss?

Regular combing is actually beneficial for hair health as it helps distribute natural oils and stimulates blood flow to the scalp. However, excessive or aggressive combing can cause hair breakage and lead to hair loss. It’s important to use a wide-toothed comb or a brush with soft bristles to minimize damage to the hair. Additionally, avoid combing wet hair, as it is more prone to breakage. If you’re experiencing excessive hair loss while combing, it’s advisable to consult with a hair loss specialist to determine the underlying cause and appropriate treatment options.

Can nutritional deficiency cause hair loss?

Nutritional deficiencies, particularly of protein, vitamins, and minerals, can contribute to hair loss. Hair follicles require adequate nutrients to maintain healthy growth. A balanced diet that includes foods rich in protein, such as lean meats, fish, eggs, and legumes, as well as fruits and vegetables for essential vitamins and minerals, is crucial for promoting hair health. If you suspect that nutritional deficiencies may be contributing to your hair loss, consult with a healthcare professional or a registered dietitian to assess your diet and determine if any adjustments or supplements are needed.

Can my birth control pill lead to hair loss?

Some hormonal contraceptives, particularly those containing androgenic hormones, can contribute to hair loss in individuals who are genetically predisposed to hair loss. The hormonal changes caused by certain birth control pills can disrupt the natural hair growth cycle and lead to increased shedding. If you’re experiencing female pattern hair loss while taking birth control pills, it’s important to consult with your healthcare provider to discuss alternative contraceptive options or explore other potential causes of your hair loss.

How long does it take to see results from a hair loss solution?

The timeline for seeing results from a hair loss solution can vary depending on the underlying cause of your hair loss and the specific treatment being used. In general, it takes time for new hair to grow and for visible improvements to occur. For topical hair loss solutions, such as minoxidil, it may take several months of consistent use before noticeable results are seen. Other treatments, such as hair transplants or laser therapy, may require longer periods of time to see significant improvements. It’s important to have realistic expectations and be patient when undergoing hair loss treatments.

What are the foods that can cause hair loss?

While there isn’t a specific list of foods that directly cause hair loss, certain dietary factors can contribute to hair problems. For example, a diet lacking in essential nutrients, such as protein, vitamins, and minerals, can impact hair health. Additionally, consuming excessive amounts of sugary or processed foods may lead to inflammation and oxidative stress, which can negatively affect hair growth. It’s important to maintain a balanced diet that includes a variety of nutrient-rich foods to support overall hair health.

What causes hair loss in men?

The primary cause of hair loss in men is male pattern baldness, which is primarily influenced by genetics and hormonal factors. Male pattern baldness is characterized by a progressive thinning of the hair on the crown and temples. Other factors that can contribute to hair loss in men include certain medical conditions, medications, hormonal imbalances, and lifestyle factors such as smoking and excessive alcohol consumption. It’s important to consult with a hair loss specialist to determine the underlying cause of your hair loss and develop a personalized treatment plan.

What is the best treatment for hair loss in men?

The best treatment for hair loss in men depends on the underlying cause and severity of the hair loss. For male pattern baldness, medications such as minoxidil and finasteride can be effective in slowing down hair loss and stimulating hair growth. Other treatments, such as hair transplants, laser therapy, and scalp microneedling, may also be options depending on the individual’s specific case. It’s important to consult with a hair loss specialist to determine the most suitable treatment plan for your unique needs.


Hair loss is a common condition that can have a significant impact on an individual’s self-esteem and quality of life. Understanding the causes, types, and available treatment options for hair loss is essential for effectively managing this condition. By seeking medical attention, adopting healthy hair care practices, and considering appropriate treatment options, individuals experiencing hair loss can regain confidence and promote hair regrowth. Remember, each case of hair loss is unique, and consultation with a healthcare professional is essential for developing an individualized treatment plan.


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NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information in this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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