COMPREHENSIVE GUIDE

Do you need to take finasteride after a hair transplant?


Pete Scott, MD

This text was written according to the highest scientific standards and reviewed by medical experts. Find out more about our quality assurance.

Written by Matilda H. Updated on 14 Jan 2024

Finasteride is one of the most popular non-surgical treatments to manage hair loss caused by male pattern baldness. It can be used after hair transplants to preserve its results and maintain a desirable hair density. Read on to learn the pros & cons and usage methods of finasteride to determine whether it is the right choice for you.

What is Finasteride and how does it work?

One of the main causes of male pattern baldness or androgenic alopecia is sensitivity to the hormone dihydrotestosterone (DHT). This hormone comes from the conversion of testosterone through the enzyme reductase. DHT attacks the hair follicles, causing hair loss in patients. 

 

How do minoxidil and finasteride work?

 

That is where finasteride comes in. Finasteride blocks the production of DHT and stabilizes DHT levels in the body to prevent hair loss. It comes in two main forms:

Oral Finasteride – Oral finasteride has been approved by the Food and Drug Administration (FDA) and is available on prescription. The typical dose of finasteride for hair loss is 1 mg per day. 

Topical FinasterideFinasteride also comes in the form of a liquid, gel, or drops that are applied to the scalp. According to some studies, topical finasteride may have fewer side effects. However, it is not commercially available and its efficacy is still under investigation.

Should you take finasteride after a hair transplant?

A hair transplant is a permanent solution to hair loss but the longevity of the results depends on non-transplanted areas as well. While your new hair follicles will continue to produce hair, you might start losing hair in other areas. 

Finasteride can help prevent future hair loss so you can enjoy your hair transplant results as long as possible. Without finasteride, you might have to get a second hair transplant to fill the areas where natural hair thinning has occurred.

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Pros and Cons

Before you commit to finasteride, it is important to learn all the pros and cons associated with it:

Pros Cons
Helps stabilize hair loss and manage male pattern baldness. It can increase the longevity of your hair transplant results by preserving your existing hair. Finasteride has some commonly reported side effects including sexual dysfunction and low libido. These effects may continue even when you are off the medication.
Easily available with a prescription. Not advisable for patients with heart conditions.
The efficacy of finasteride is well-researched and backed by clinical trials. It is not a cure but a way to manage and slow down hair loss. Only works as long as you are taking finasteride consistently.

When can you start using finasteride after a hair transplant?

Finasteride can be taken before or after the hair transplant without any delay. Since it only works if used consistently, it is important to start taking finasteride as soon as possible to preserve your existing hair from falling out. Discuss the options with your doctor to make the most informed choice

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How long should you use finasteride after having your hair transplant?

We have mentioned that medications such as finasteride and minoxidil only work as long as you are taking them. Once you stop, the effects of finasteride will wear off and your hair loss may resume. You can use finasteride as long as you want to manage your hair loss. Studies have shown that finasteride is safe to use over long time periods.

However, if you are experiencing side effects, it is best to consult your doctor to adjust your dosage or discuss alternatives.

Frequently Asked Questions

What happens if you don't use finasteride after a hair transplant?

Can Finasteride damage transplanted hair?

Sources

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