Long-term COVID-19 infection side effects have resulted in a slew of debilitating symptoms, ranging from loss of taste and smell to brain fog and lethargy. Hair loss has also been identified as a symptom. While this side effect may worry you, it is usually only temporary. Hair loss can be caused by various reasons and if you’re experiencing it you’re probably searching any information up online to try to reverse the effects of hair loss.

Our team at Nova Medical Hair Transplant in Toronto have put together this article to better explain hair loss after Covid-19 and the potential solutions available to you.

What Causes Hair Thinning?

Patients with SARS-CoV-2 infection may notice clumps of hair breaking out when combing their hair or washing their hair in the shower. Telogen effluvium is the medical term for this condition. 

Approximately 90% of hairs on our scalp are in the anagen phase, while the remaining 10% are in the telogen phase. Anagen lasts roughly three years on our scalp, after which hairs begin to transition into telogen, which lasts two to six months. Our hairs are lost from their follicles at the end of telogen and eventually replaced by new anagen hairs. The growth cycle then resumes. 

People lose roughly 100 to 150 hairs every day on average. When we are stressed, such as when we are infected with COVID-19, our systems may shift a higher-than-normal percentage of developing anagen hairs into the resting telogen condition. 

Hair loss may be caused by a variety of factors such as:  

  • Infections caused by viruses 
  • Hospitalization
  • Surgical procedures 
  • Pharmaceuticals for childbirth, particularly hormonal medications 
  • Thyroid disorders 
  • Menopause,
  • Emotional strain 
  • Hereditary reasons, among others. 

Hair Loss Causes Explained

Hair Loss That Is Passed Down Through The Generations Also Known As Hereditary Hair Loss

This form of hair loss affects both men and women and is the most frequent cause of hair loss globally. Male pattern hair loss is a term used to describe hair loss in males. Female pattern baldness is a condition that affects women.

Whatever title you pick, it implies you’ve inherited genes that cause your hair follicles (the root of each hair) to shrink and finally cease producing hair. Shrinking may start as early as your adolescent years, although it generally happens later in life. 

The first indication of genetic hair loss in women is frequently thinning hair or a widening part. 

A receding hairline or bald patch at the top of a man’s head is generally the first indicator of genetic hair loss. 

Can It Be Reversed?

Yes, hair loss may be slowed or stopped with therapy. It may also aid in hair regrowth. The sooner therapy begins, the more effective it will be. You will continue to lose hair if you do not get therapy. 

The Persons Age 

Hair loss is common as individuals become older because hair growth slows. Hair follicles eventually cease producing hair, causing the hair on our scalp to diminish. Hair begins to lose its color as well. In some cases, the hairline of a woman begins to recede with time.

Can It Be Reversed?

Treatment may help some individuals regrow their hair if caught early. 

Alopecia Areata

Alopecia areata is a condition in which the immune system assaults the hair follicles (which keep the hair in place) and causes hair loss. Hair loss may occur anywhere on the body, including the scalp, within the nose, and in the ears. Eyelashes and brows may be lost in certain persons as well if the condition has become very severe. 

Can It Be Reversed?

Yes. If your hair doesn’t regenerate on its own, therapy may be able to assist you in the long-run.

Thick & Healthy Hair

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Treatment For Cancer 

You may lose all or most of your hair within a few weeks after commencing chemotherapy or radiation treatment for your head or neck when you have cancer. 

Can It Be Reversed?

Within months of completing chemotherapy or radiation treatments to the head or neck, hair normally begins to return. Dermatologists may prescribe medicines to help hair regrow faster. That being said, hair growth does take time. If you take proper care of your scalp you should expect new hair growth within 6 months. 

Is It Something That Can Be Avoided? 

Hair loss may be prevented by using a cooling cap before, during, and after each chemotherapy treatment. 

Childbirth, Sickness, Or Other Adversities Are All Sources Of Stress 

You may notice a lot more hairs in your brush or on your pillow a few months after giving birth, recuperating from a sickness, or having a surgery. This may also occur after a traumatic event in your life, such as a divorce or the loss of a loved one. 

Can It Be Reversed?

Your body will adapt and the excessive shedding will cease if the tension is relieved. Most people’s hair returns to normal fullness within 6 to 9 months after the shedding stops. 

Hair Styling, Dying The Hair Or Using Hot Tools

You may be harming your hair if you dye, perm, or relax it. Hair loss might occur as a result of this damage over time. 

Can It Be Reversed?

You can avoid hair loss by changing how you care for your hair. Hair cannot develop from a hair follicle that has been damaged. Permanent bald patches are caused by a large number of damaged hair follicles. 

Your Hairstyle Tugs At Your Scalp

If you pull your hair back too firmly all the time, it might lead to irreversible hair loss. Traction alopecia is the medical term for this illness. 

Can It Be Reversed?

No. By making a few modifications, you may avoid further hair loss.

Unbalanced Hormones 

Polycystic ovarian syndrome is a typical source of this imbalance (PCOS). It causes cysts to form on a woman’s ovaries, as well as other signs and symptoms such as hair loss. Some forms of birth control tablets might produce a temporary hormonal imbalance if you stop using them. A hormonal imbalance may cause thinning hair or hair loss on the scalp in women. 

Can It Be Reversed?

Treatment may be beneficial to reverse and manage the effects of hair loss.  

Infection Of The Scalp 

Scaly and often inflammatory spots on your scalp might be caused by a scalp infection. On your scalp, you may see what appear to be little black spots. These are really hair stubs. A bald spot might grow in certain individuals. 

Can It Be Reversed?

Yes, therapy is effective in eradicating the virus. Hair tends to regrow after the infection has cleared. 

Medication Or Prescriptions

Hair loss is a potential adverse effect of various drugs. Whether you suspect a medicine is causing your hair loss, check with the doctor who provided it to see if hair loss is a side effect. It’s critical that you don’t stop taking your prescription without first seeing your doctor. Stopping certain drugs suddenly might result in major health concerns. 

Can It Be Reversed?


Learn More About Your Treatment Options In Toronto 

Dealing with hair loss can be very stressful, especially when you’re not sure where the source is coming from. Get the proper help you need from our hair loss experts in Toronto. We can help you determine the cause of your hair loss and whether hair restoration treatments are appropriate for you!

Psoriasis Of The Scalp 

Many persons with plaque psoriasis eventually develop psoriasis on their scalp. Hair loss may occur as a result of this. 

Can It Be Reversed?

Once the psoriasis on the scalp is cleared, hair tends to recover, although this takes time. You may be able to avoid hair loss by following the advice of these experts. 

Pulling Or Scratching The Scalp

Pulling or scratching on one’s hair is a common stress reliever for some individuals. They may be completely oblivious to the fact that they are tearing their hair out. Trichotillomania is the medical word for this condition. 

Can It Be Reversed?

Yes, if the hair follicles haven’t been damaged. Stop plucking your hair if you want it to regenerate. 

Alopecia Scarring 

Inflammation kills hair follicles, resulting in this disorder. A hair follicle that has been damaged can no longer produce hair. This may be caused by a variety of factors. Cicatricial alopecia is the medical term for this collection of diseases. 

Can It Be Reversed? 

A hair follicle that has been damaged cannot regenerate hair. Early detection of this illness may help to avoid additional hair loss. 

Biotin, Iron, Protein, Or Zinc Deficiency 

Hair loss may occur if you don’t obtain enough of one or more of these nutrients. 

Can It Be Reversed?

Yes. Hair may regenerate if your body obtains enough of the nutrients it needs. 

While these are some of the most common causes for hair loss, it may be happening to you for another reason. If you think you may be having hair loss due to another issue we always recommend speaking with one of our experts to receive a proper diagnosis.

How Long Will It Take For Hair To Grow Back? 

The good news is that most instances of telogen effluvium go away within three to six months, when the extra hairs that were prematurely converted into telogen shed. This distinctive recovery occurs following an instigating event, such as COVID-19 infection. 

Those hairs will gradually change back to normal when that phase is ended. The loss of hair follicles is not caused by telogen effluvium. Hair follicles are still there, and hair will recover eventually, even if hair does not grow momentarily. 

Patients may find that their hair is not as thick as it previously was even after the loss has ceased. This is due to how slowly hair grows on average, roughly a centimeter every month. It may take over two years for new hairs to reach shoulder length and for a ponytail to feel full again if someone has shoulder length hair.

Long-term COVID patients may have chronic telogen effluvium as a symptom. This is most likely due to the fact that their bodies are still under a lot of stress and aren’t completely back to normal. Patients with persistent telogen effluvium, will not lose all of their hair since the percentage of telogen hairs never surpasses 50%. 

Treatment Options Available To You In Toronto

Hair shedding is a disorder that requires time and patience to treat. As hair loss experts in Toronto, the greatest thing we can do is reassure patients that this is a self-limiting disease and that their hair will grow back. Patients are given the tools they need to assess their health and track their progress at home. A patient can be requested to complete a 60-second brushing test and gather the hairs in a pile to measure how much hair they lose on a regular basis. The patient may then gauge if their condition is improving over time. 

In some cases, medications may be challenging, particularly for people with acute telogen effluvium. It’s difficult to determine when to quit using a hair-growth prescription after you’ve started. However, we believe that medication or other therapy are appropriate for people who are still shedding four to six months after beginning. If you’ve been on medication to help with hair loss, we recommend tracking how much hair loss you’re losing on a daily basis after being continuously on that treatment for about 3 months- this will help determine whether it is helping or not. 

Any kind of hair loss, may be a substantial mental stressor, which can add to hair shedding if not handled. While it’s reasonable to be upset, we believe that giving our patients the tools to track their own progress at home and emphasizing the significance of stress management are critical to a successful recovery.

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