Can Levothyroxine Cause Hair Loss? Exploring the Connection

Levothyroxine is a medicine that doctors often give to people who have thyroid dysfunction. It is mostly used for an underactive thyroid. This medicine helps keep thyroid hormone levels in balance. But, some people worry that taking levothyroxine may lead to hair loss. It is important to know if there is a link between levothyroxine and hair loss, especially if you notice brittle hair or see diffuse hair thinning. In this blog, we talk about if hair shedding is because of levothyroxine or from not treating thyroid conditions like an underactive thyroid. We also give useful tips to help you look after your thyroid health.

Jump to the sections that interest you most, and discover essential tips and advice for managing hair disorders during thyroid treatment.

Levothyroxine and Its Role in Thyroid Health

Levothyroxine is a lab-made form of thyroxine (T4). This is a thyroid hormone that the body needs for keeping up energy, metabolism, and hormone balance. When someone has hypothyroidism, the thyroid gland does not make enough of the needed hormones. So, there has to be replacement therapy to help their body.

Taking levothyroxine helps bring the thyroid function to a normal state. This helps get rid of symptoms like tiredness, weight gain, and brittle hair. When a person starts on levothyroxine, getting the right dose and steady hormone levels can cause a short-term problem in some of the body’s systems, like hair growth cycles. If you know how this works, it can help you handle any short-term hair growth concerns.

What Is Levothyroxine and How Does It Work?

Levothyroxine is a prescription drug. It is made to be like the natural thyroid hormone called thyroxine. When the thyroid gland does not work well and you have an underactive thyroid, levothyroxine helps bring T4 levels back up. This helps your body work the way it should. Synthroid, Tirosint, and Levoxyl are some brand names for this medicine. Many people use them to help with signs of an underactive thyroid.

Thyroid hormones are needed to control energy, the way your body burns food, and the work of cells. This even includes things, like hair health. Levothyroxine is used when you have low hormone levels. It works to balance these levels, and it is the main medicine for an underactive thyroid.

At first, when you change hormone levels, the body can get out of balance for a short time. This may affect other parts, such as hair follicles. Because of this, people may have hair thinning or lose some hair soon after they start this treatment. This will usually go away as your body gets used to the medicine.

Why Is Levothyroxine Prescribed for Hypothyroidism?

Levothyroxine is important for people with hypothyroidism. This is when the thyroid gland does not make enough thyroid hormone. Not having the right hormone levels can cause tiredness, weight gain that you cannot explain, and hair thinning. When your T4 levels go back to normal, these problems often get better.

People use levothyroxine to help the thyroid gland make enough hormones. This helps control symptoms of hypothyroidism, like hair thinning and weight gain, and helps with brittle nails too. All these things can affect your health. It may take some time to get your hormone levels in the right range, but this medicine works well to ease hypothyroid symptoms.

The treatment does have some side effects. Some people notice hair loss, which can be hard. But understanding how this medicine helps you in managing thyroid hormone levels lets you know what to expect. This way, you know what could happen and how the medicine will help with your symptoms over time.

The Relationship Between Thyroid Function and Hair Health

Thyroid hormones play a big role in how human hair follicle functions and works. These hormones help control hair cycles, color, and how thick hair will be. If you get thyroid dysfunction, it messes up the normal growth and resting times. This can make hair shed more or start to get thin.

Both an underactive thyroid and an overactive thyroid can cause problems with hair. If you have an underactive thyroid, the growth part of the hair cycle gets shorter. A simple blood test can determine whether your thyroid is overactive, as this condition can lead to weaker hair strands. It is important to treat thyroid conditions right away. This helps keep scalp hair strong and keeps each hair follicle healthy.

How Hypothyroidism Affects Hair Growth and Loss

Hypothyroidism can change the way the hair grows by making the active hair growth stage shorter and the shedding stage last longer. This means people can get diffuse hair loss on the scalp and regrowth can slow down.

When there are low thyroid hormone levels, the hair can feel more dry and break easily. This can make hair loss seem worse than it really is, so the hair may look thinner. The outer edge of the eyebrows can also lose hair in some cases.

If the thyroid hormone levels are low and not treated, other problems may show up too, like telogen effluvium. This leads to a lot of extra hair coming out. Balancing hormone levels, especially by using medicines like levothyroxine, is the best way to help your hair get healthy again.

Signs of Thyroid-Related Hair Thinning

Changes in hair density or the way your hair feels can show that there may be thyroid-related issues. You may notice diffuse hair loss, more shedding, or thinning scalp hair. These things often happen when you have an underactive thyroid and can be accompanied by symptoms such as weight loss. This problem can mess with the hair growth cycle. Your hair follicles may stay in the resting phase for a long time. Some signs to look out for are brittle hair, a dry scalp, and loss of hair volume. Being aware of these can help you spot thyroid dysfunction early. If you see these signs, it is a good idea to see a healthcare provider as soon as you can.

Can Levothyroxine Cause Hair Loss? Exploring the Evidence

Some people say they experience hair loss after they start taking levothyroxine. It is important to know if this is really a side effect from the medicine or if it is about the thyroid hormone being out of balance. Many times, hair thinning and hair loss may be from not treating hypothyroidism. It might not be from the medicine at all. It is important to look at this connection well. This will help people and their doctors manage it in the best way.

Is Hair Loss a Side Effect of Levothyroxine?

While using levothyroxine is important to help deal with hypothyroidism, some people say they have hair loss. This can happen when there are changes in the dose, if the thyroid levels are changing, or because of other health issues. It is a good idea to look at each person's situation and talk with a healthcare provider to get the right advice.

Differentiating Hair Loss from Medication Versus Untreated Thyroid Disease

It is important to know the difference between hair loss that comes from antithyroid drugs and hair loss that is caused by not treating thyroid disease. If you have an underactive thyroid gland, doctors often give levothyroxine. This medicine usually does not make hair fall out. But if you do not treat an underactive thyroid, you may see a lot of diffuse hair loss. This can happen because of things like telogen effluvium or changes in the normal hair growth cycles. Knowing this helps you understand what is happening with your hair health. It also makes it easier to talk with your healthcare provider about what treatment options you have and the possible side effects from thyroid medications.

Managing Hair Loss While on Levothyroxine

Addressing hair loss while taking levothyroxine calls for a few different steps. You need to keep your thyroid hormone levels in check. This helps promote hair growth and can cut down on hair loss. Try adding hair growth supplements and foods that are full of nutrients to what you eat. These can help fight nutritional deficiencies. Such problems can lead to brittle hair and lower hair density.

Be sure to see your healthcare provider on a regular basis. They will check your thyroid function, look for any side effects, and talk with you about the treatment options that can be best for your thyroid hormone levels and your overall thyroid health. Focusing on your thyroid health is key. This is the best way to help new hair growth and take care of any hair loss you might have.

Tips to Minimize Hair Shedding During Treatment

Taking care of your thyroid health is important if you want to stop hair shedding when using levothyroxine. Try to eat a balanced diet with plenty of nutrients like iron and biotin. These can help support hair growth and fight off nutritional deficiencies. You should also have regular check-ins with your healthcare provider. This helps keep your thyroid hormone levels in the right range and lets them change your dose if needed.

Be gentle with your hair too. Try not to use harsh chemicals or too much heat when you style it. Doing so can hurt your hair follicles. Good hair care can help keep your hair density up and lessen the way thyroid disorders affect your hair. All these steps together help make sure that you, your hormone levels, and your hair can all stay healthy.

When to Consult Your Healthcare Provider About Hair Loss

If you notice changes in hair density, like more hair loss or thinning, you should talk to your healthcare provider. This is especially true if you are taking levothyroxine. It is good to know the difference between normal changes in the hair growth cycle and hair loss from thyroid dysfunction or the medicine itself. Other symptoms like dry skin or changes in weight might also show signs of thyroid issues. You will need an accurate diagnosis for these problems. Talking to your doctor in time can help you find the right treatment options. They can also help you make diet changes to support your thyroid health and help with new hair growth.

Conclusion

Looking into how levothyroxine and hair loss are linked is important for those with thyroid disorders. Some people might have hair thinning or notice hair fall. It is key to know if thyroid dysfunction is the real cause of these problems. Levothyroxine can help set thyroid hormone levels back to normal, which may also help with hair growth and other symptoms. It’s good to talk with a healthcare provider about your hair loss. This leads to an accurate diagnosis and better treatment options.

Taking care of your thyroid health is important for your well-being and hair growth. You should check your thyroid hormone levels often. Also, work with your doctor to find the best treatment plans that fit your needs for good results.

Frequently Asked Questions

Does hair grow back after starting levothyroxine?

Many people see hair regrowth after they start taking Levothyroxine. This can take some time, so it is important to be patient. When your thyroid hormone levels go back to normal, your hair health can get better. Everyone is different, so results vary from person to person. To get the best results, stick to the therapy the doctor gives you and keep following the plan as told. The key is to have your hormone levels, like thyroid hormone, in the good range for your body.

How long does hair loss last when taking levothyroxine?

The time it takes for hair loss to stop when you are taking levothyroxine can be different for each person. Some people may start to see things get better in a few months. For others, it might take more time. The dose you take and your thyroid health are both important in how fast you recover from hair loss.

Can adjusting my levothyroxine dose stop hair loss?

Changing your levothyroxine dose might help with hair loss if your thyroid hormone levels are just right. But each person’s body can act in a different way. It is very important to talk to your healthcare provider before you make any changes. This will help keep you safe and make sure you use the best way to manage hair loss.

Are there supplements that can help with thyroid-related hair loss?

Some supplements may help with hair health for people who have hair loss because of thyroid problems. The ones that are often suggested are biotin, vitamin D, and omega-3 fatty acids. But you should talk to your healthcare provider before taking any supplement. This helps make sure that it works with your treatment plan.

What does thyroid hair loss typically look like?

Thyroid-related hair loss often shows up as thin spots on the head or less hair overall. You may see less hair on your scalp, and it can look like you do not have as much volume as before. Sometimes, you will notice more hair coming out when you brush your hair or take a shower. This kind of hair loss can also affect hair texture, making it look different from what people see in other conditions.

Reference List

1. American Thyroid Association. (n.d.). Hair Loss and Thyroid Disorders. https://www.thyroid.org/
   
   

2. BTF. (n.d.). Living Better with Hypothyroidism. British Thyroid Foundation. https://www.btf-thyroid.org/
   
   

3. Drugs.com. (n.d.). Does Levothyroxine Cause Hair Loss? https://www.drugs.com/medical-answers/levothyroxine-hair-loss-3562479/
   
   

4. Healthline. (2022). Thyroid and Hair Loss: What You Need to Know. https://www.healthline.com/health/thyroid-and-hair-loss
   
   

5. BuzzRx. (2022). Does Levothyroxine Cause Hair Loss? https://www.buzzrx.com/blog/does-levothyroxine-cause-hair-loss-what-to-know
   
   

6. Cleveland Clinic. (n.d.). Is My Thyroid Condition to Blame for My Hair Loss? https://health.clevelandclinic.org/is-my-thyroid-condition-to-blame-for-my-hair-loss
   
   

7. Medical News Today. (2023). What to Know About Levothyroxine and Hair Loss. https://www.medicalnewstoday.com/articles/326902
   
   

8. Keck Medicine of USC. (n.d.). Symptoms of Thyroid Problems. https://www.keckmedicine.org/blog/symptoms-of-thyroid-problems-fluctuating-weight-hair-loss-and-more/
   
   

9. The Independent Pharmacy. (n.d.). Thyroid-Related Hair Loss. https://www.theindependentpharmacy.co.uk/hair-loss/guides/how-to-spot-and-treat-thyroid-related-hair-loss
   
   

10. Thyroid UK. (n.d.). What Can You Do About Hair Loss? https://thyroiduk.org/related-conditions/thyroid-disease-and-links-to-other-conditions/what-can-you-do-about-hair-loss/
    
    

11. NHS. (2023). Levothyroxine. https://www.nhs.uk/medicines/levothyroxine/
    
    

12. Verywell Health. (2023). Thyroid Disease and Hair Loss. https://www.verywellhealth.com/thyroid-disease-hair-loss-3231697
    
    

13. Eureka Health. (n.d.). Keeping Your Hair While Taking Levothyroxine. https://www.eurekahealth.com/our-resources/keeping-your-hair-while-taking-levothyroxine---an-introduction
    
    

14. PMC. (2020). Alopecia in Thyroid Disease. https://pmc.ncbi.nlm.nih.gov/articles/PMC6987785/

15. PMC. (2023). Levothyroxine-Associated Hair Loss: Case Report. https://pmc.ncbi.nlm.nih.gov/articles/PMC10492440/