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Hair Loss After Influenza: Why Does It Happen & Treatment

BY TRYBELLO

April 22, 2025

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Key Takeaways

  • Hair loss after influenza is often due to a condition called telogen effluvium, which is triggered by stress and fever.
  • Fever associated with influenza can push hair follicles into a resting phase, leading to noticeable hair shedding months later.
  • Most hair loss experienced post-influenza is temporary, with regrowth typically occurring within 6 to 9 months.
  • Natural remedies, such as hair serums and natural supplements, can support hair regrowth and overall scalp health.
  • TryBello's Hair Helper Spray is a clinically supported solution with natural ingredients like biotin, castor oil, and caffeine that work together to stimulate hair follicles and promote thicker, healthier regrowth.

Hair Loss After Influenza: Why It Happens

Experiencing hair loss after recovering from influenza can be alarming, but it's a fairly common phenomenon. This usually happens because of a condition known as telogen effluvium.

Telogen Effluvium Explained

Telogen effluvium occurs when a large number of hair follicles enter the resting phase of the hair growth cycle prematurely. Typically, hair grows in a cycle consisting of growth (anagen), transition (catagen), and resting (telogen) phases. Normally, only about 10% of your hair is in the telogen phase at any given time. However, during telogen effluvium, this percentage increases significantly.

The stress from an illness such as influenza can cause more hair follicles to enter the telogen phase. This results in noticeable hair shedding, often occurring 2 to 3 months after the event. While this condition can be distressing, it's usually temporary.

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Symptoms of Hair Loss Post-Influenza

Common Signs

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Hair loss after influenza often manifests as diffuse thinning, meaning hair is lost evenly across the scalp rather than in patches.

If you’re experiencing hair loss after influenza, you might notice more hair than usual in your brush, shower drain, or pillow. This type of hair loss can be quite distressing, but it's typically not permanent.

Besides that, you may find that your hair feels less dense or appears thinner. This is different from other forms of hair loss, such as alopecia areata, which results in patchy hair loss and requires different treatment approaches.

Timeline of Hair Shedding

Hair shedding typically begins 2 to 3 months after recovering from influenza. This delay occurs because hair follicles take time to shift from the growth phase to the resting phase. The shedding phase can last several weeks to a few months, depending on individual factors such as overall health and hair care practices.

However, this timeline is a general guideline. Each person's experience may vary, and some may notice hair regrowth sooner or later than others. Just be patient and focus on supporting your body's natural recovery process.

Conventional Treatment Options

Medication and Supplements

When experiencing hair loss after influenza, several medical interventions like minoxidil can help stimulate regrowth and strengthen existing hair. Minoxidil (commonly known as Rogaine) is an FDA-approved topical treatment that increases blood flow to hair follicles and extends the growth phase of the hair cycle. This over-the-counter medication has shown effectiveness for many types of hair loss, including telogen effluvium triggered by illness.

Prescription medications like finasteride may be recommended in certain cases, particularly for male patients experiencing more persistent hair thinning. Additionally, vitamin and mineral supplements containing biotin, anagain, zinc, iron, and vitamins D and B-complex can address nutritional deficiencies that may worsen post-influenza hair loss.

A healthcare provider can recommend appropriate dosages based on individual needs after conducting tests to identify specific deficiencies.

Professional Hair Care Procedures

When dealing with hair loss after influenza, professional hair care procedures can provide additional support. Visiting a dermatologist or trichologist can help determine the extent of hair loss and tailor a treatment plan to your specific needs. These professionals can recommend therapies such as low-level laser therapy (LLLT), which stimulates hair follicles and promotes regrowth.

Another effective procedure is microneedling, which involves using tiny needles to create micro-injuries in the scalp. This stimulates the skin's healing response and encourages hair growth. Consult with a professional before undergoing any of these treatments to ensure they are suitable for your condition.

Conventional Treatment Options

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If you prefer a more comprehensive approach, natural alternatives can offer significant benefits for treating hair loss.

Natural Serums for Hair Regrowth

Natural ingredients have long been used for their benefits for hair regrowth. Castor oil, for instance, has the ability to promote hair growth by increasing blood circulation to the scalp.

Similarly, caffeine can help stimulate hair follicles and strengthen hair. Look for products that are 100% natural and contain the essential ingredients (e.g. TryBello Hair Helper Spray) so that you can incorporate them into your daily routine. Regular application can lead to noticeable improvements in hair thickness and health.

Herbal Remedies and Benefits

Herbal remedies are another natural option for addressing hair loss. Herbs like saw palmetto and nettle have been shown to support hair health by blocking the production of dihydrotestosterone (DHT), a hormone linked to hair loss.

Green tea is also beneficial due to its high antioxidant content, which helps reduce inflammation and support healthy hair follicles. Green tea can either be had normally or used as a rinse.

Dietary Changes to Promote Healthy Hair

A balanced diet rich in vitamins and minerals can help prevent hair loss and promote regrowth. Focus on foods high in iron, zinc, and vitamin D, as deficiencies in these nutrients are often linked to hair thinning.

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Include plenty of leafy greens, nuts, seeds, and lean proteins in your diet.

Omega-3 fatty acids found in fish like salmon and mackerel are also essential for maintaining a healthy scalp and promoting hair growth.

Preventative Measures

Preventing hair loss after influenza involves more than just treatment—it requires a proactive approach to maintaining overall health and well-being.

Boosting Immune Health

A strong immune system can help your body recover more quickly from illnesses like influenza, reducing the likelihood of stress-induced hair loss. Incorporate immune-boosting foods like citrus fruits, garlic, and ginger into your diet.

Additionally, regular exercise and adequate sleep are crucial for maintaining a healthy immune system. Aim for at least 30 minutes of moderate exercise most days of the week and ensure you're getting 7–9 hours of sleep each night.

Stress Management Techniques

Managing stress is essential for preventing hair loss since stress can trigger telogen effluvium. Practice stress-reduction techniques such as yoga, meditation, or deep breathing exercises to help calm your mind and body.

Also, set aside time for relaxation and hobbies you enjoy. Engaging in activities that bring you joy can help alleviate stress and promote a positive outlook.

Regular Hair Care Practices

Maintaining a consistent hair care routine can support healthy hair growth. Use gentle shampoos and conditioners that are free of harsh chemicals and avoid excessive heat styling or tight hairstyles that can damage hair.

Regularly massaging your scalp can also stimulate blood flow and promote hair growth. Use your fingertips to gently massage your scalp in circular motions for a few minutes each day.

TryBello's Natural Solution: Restoring Hair Health After Illness

At TryBello, we understand how distressing hair loss after influenza can be. While temporary, this condition can significantly impact your confidence and well-being.

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Our Hair Helper Spray can help your hair bounce back after serious illnesses like influenza.

Our Hair Helper Spray is a natural, science-backed solution specifically formulated to address hair thinning and promote healthy regrowth. Our unique formula uses natural ingredients like biotin, castor oil, and caffeine—all scientifically proven to stimulate hair follicles and encourage stronger growth.

Unlike harsh chemical treatments, TryBello's Hair Helper Spray works gently with your body's natural recovery process. Simply spray onto your scalp daily, massage gently for absorption, and let our nourishing formula work its magic.

Our customers typically notice visible improvements within 8 weeks, with significant results after 120-days of consistent use. With TryBello, you're not just treating hair loss—you're investing in sustainable hair health with ingredients you can trust.

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Frequently Asked Questions (FAQs)

Is hair loss after influenza permanent?

In most cases, hair loss after influenza is not permanent. It’s typically caused by telogen effluvium, a temporary condition where stress or illness pushes hair follicles into a resting phase. As the body recovers, hair growth usually resumes within six to nine months.

How long does hair take to regrow after shedding?

Hair regrowth after shedding can vary from person to person. Typically, new hair growth begins within 3 to 6 months after the initial shedding phase. Full regrowth may take up to a year, depending on individual factors such as age, overall health, and hair care practices.

Can lifestyle changes really prevent hair loss post-flu?

Yes, lifestyle changes can play a significant role in preventing hair loss after the flu. By boosting your immune system, managing stress, and maintaining a balanced diet, you can create an environment that supports healthy hair growth and reduces the likelihood of stress-induced hair loss.

Are there specific foods that help with hair regrowth?

Certain foods are known to support hair regrowth due to their nutrient content. Foods rich in vitamins A, C, D, E, and B-complex, in addition to minerals like iron and zinc, can promote healthy hair. Examples include leafy greens, nuts, seeds, fish, eggs, and legumes.

Including these foods in your diet can help provide the essential nutrients your body needs for optimal hair growth.

How does TryBello Hair Helper Spray work for post-illness hair loss?

TryBello Hair Helper Spray addresses post-illness hair loss through its unique formula of natural active ingredients. The spray delivers biotin (a B-vitamin essential for hair growth), castor oil (improves blood circulation to the scalp), and caffeine (stimulates hair follicles) directly to the roots.

These ingredients work synergistically to nourish the scalp, strengthen existing hair, and promote new growth.

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