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Finasteride (for hair loss)


Finasteride 1mg is a treatment for male pattern hair loss. It is a generic drug, which contains the same active ingredient as Propecia (made by MSD).

PLEASE NOTE: As this treatment is a generic medicine, the brand of the product you receive may be different to the one shown in the picture.

Renewing your prescription for hair loss treatment is simple with our online service. When you select to buy Finasteride 1mg from our UK pharmacy, a doctor will review your case. Approved orders are delivered within one working day.

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PLEASE NOTE: This treatment is not available through our online pharmacy service. This page is for information only. If you are experiencing any of the symptoms related to the condition(s) this medication treats, we strongly recommend that you see your GP in person.

This content was reviewed by a clinician on

26 April 2022
dr daniel

Dr Daniel Atkinson

(GP Clinical Lead - GMC No. 4624794) 26 April 2022
Product information

Finasteride 1mg is a drug used in the treatment of hair loss, or male pattern baldness. It is the generic version of Propecia, a drug manufactured by Merck Sharp and Dohme. It contains the same active ingredient as its branded counterpart, and works by preventing the hormone conversion in the body responsible for hair loss (testosterone to dihydrotestosterone). You can only buy Finasteride 1mg online or in person on prescription; it is not available over the counter.

What is androgenetic alopecia?

Hair loss is very common among men. Around one third of men will begin to show signs of male pattern baldness (androgenetic alopecia) by the time they reach 30; and around half of men by the time they reach 40.

Aside from androgenetic alopecia, there are other types of hair loss which can sometimes be caused by health factors, such as a medical condition or certain types of treatment. In these cases, it is important to see your doctor, so that they can assess the medication you are taking, or identify the condition responsible.

What does finasteride 1mg treat?

Finasteride 1mg is specifically for use in male pattern baldness. This type of hair loss tends to follow very distinct patterns, and is generally quite easy to identify. Many cases may start on the top of the head; this is known as vertex hair loss. In other cases, it may start at the front of the head; this is known as a receding hairline.

It can start at varying ages. Some men may notice it in their early 20s, whereas others may not realise they are losing their hair until they’re well into their 30s. How long it takes for someone to go completely bald can vary. Some men may lose their hair gradually over a period of many years, whereas others may lose it quickly over a much shorter time. Everyone is different.

What causes male pattern baldness?

Genetics are thought to be the most prominent factor in male pattern hair loss. For instance, someone may be more prone to hair loss if their father or a male grandparent also had it.

At present, there is no ‘cure’ for hair loss but treatments are available.

What can I use to treat hair loss?

Finasteride is a medication which can help slow down the process of hair loss. In some cases, it can also restore some hair regrowth. The drug is taken once a day, and it takes around 3-6 months for the effect of finasteride to develop fully.

Another version of the medicine called Aindeem (manufactured by Actavis) is also available to buy from some UK pharmacies. This contains the same active ingredients as Finasteride 1mg and works in the same way.

In higher doses, finasteride is used in the treatment of enlarged prostate (BPH). It is important to be aware that the 1mg dose is specifically for hair loss; and that higher doses should never be used in the treatment of hair loss.

Please note that finasteride tablets work by temporarily preventing the action that causes hair loss; it does not reverse it. Men who are losing their hair will continue to lose it if they stop taking finasteride. Any hair gained or kept as a result of taking finasteride is likely to be lost within 9-12 months of stopping treatment.

Can I buy finasteride online?

If you are looking to get your prescription for Finasteride 1mg renewed online, you can do so quickly and easily with our secure pharmacy service. All orders are checked by registered doctors. Approved orders are dispensed at our UK pharmacy, before being shipped by next-day delivery.

Page last reviewed:  26/04/2022

ollow the instructions given by your prescriber when taking this medicine, and read the patient information leaflet before use. Doing so will help to ensure the medicine works at its best, and lower the risk of side effects.

  • The typical dose is one tablet per day.
  • Swallow whole with water.
  • You can take it with or without food.
  • It can take between 12 and 26 weeks for the effect of the medicine to reach its optimum.
  • If you miss a dose, skip it and take the next one as normal. Do not take a double dose to make up for it.
  • You should have a review periodically with your doctor to make sure finasteride is working.
  • If you stop taking finasteride, the hair you have gained you will likely lose within 9 months to a year.

Further instructions can be found in the leaflet supplied with the medicine.

Page last reviewed:  26/04/2022
Please read the patient information leaflet for this medicine fully before use:

Finasteride 1mg

Side effects

Before taking this medicine, make sure you read and fully understand the instructions issued by your prescriber, as well as the information in the patient information leaflet. Doing so will help to minimise the risk of side effects and ensure that the medication is as effective as it can be.

Seek medical attention immediately if:

  • any of your side effects becomes serious;
  • if you become depressed or have suicidal thoughts;
  • if you notice any changes in breast tissue (such as lumps, nipple discharge, pain or tenderness);
  • or if you have any symptoms of an allergic reaction (such as swelling of the face, lips or throat, or hives).

Uncommon (1 in 100 users or less):

Loss of sexual desire, erection difficulty, ejaculatory problems, depression.

Frequency unknown:

Allergic reactions, breast swelling or tenderness, testicular pain, increased heartbeat, persistent problems with libido, erections, or ejaculation which persist following discontinuation of treatment, infertility, elevated liver enzymes.

Please refer to the leaflet for more information on side effects.  


Taking it with other medicines

During consultation, tell your prescriber about any other medications you are taking or have recently taken. This includes any prescription, non-prescription, remedial or recreational drugs.

It is not recommended that you take Finasteride in combination with topical minoxidil.

Persons already taking drugs containing finasteride (such as Proscar) to treat enlarged prostate should not take this medicine.

Conditions to look out for

Disclose your medical history to your prescriber during consultation.

Do not take Finasteride 1mg tablets if you are allergic to any ingredients in them.

Pregnancy, breastfeeding and fertility

This medication should not be taken by women.

Women who are pregnant should not handle crushed or broken Finasteride tablets, as it may harm the development of their baby.

Finasteride can pass into the semen of men who are taking it. This means that if your partner is pregnant or thinks they may be pregnant, you must use a condom during sex to make sure your semen does not come into contact with them.

If you are planning to father a child, you must talk to your doctor before taking finasteride.

If you are already taking finasteride, you must talk to your doctor before trying to conceive.

Driving and machinery

It is unlikely that your capacity to drive or use machinery will be affected by this treatment. However, do not drive or use machinery if you notice any side effects which inhibit your capacity to do so safely.

Lactose intolerance

This medicine contains lactose. Speak to your doctor before taking it if you have an intolerance to any sugars.

Page last reviewed:  26/04/2022
Please read the patient information leaflet for this medicine fully before use:

Finasteride 1mg


Can I still drink alcohol?

The leaflet does not specify whether alcohol will interact with this treatment. If you are concerned, speak to your doctor.

Will I still be able to drive?

Yes. Is it unlikely that Finasteride will inhibit your capacity to drive. However, do not drive if you notice any side effects which may make it unsafe for you to do so.

Can I take the medicine while my partner is pregnant?

You can, but you must make absolutely certain that your partner does not come into contact with the drug.

This means that your partner should not handle broken or crushed tablets, and you must wear a condom during sex to make sure that your partner is not exposed to traces of the drug which can be present in semen.

Speak to your doctor or pharmacist before taking this medicine if your partner is pregnant, if you are planning to father a child, or if you need further guidance.

How should I store it?

In a safe place, out of the reach of children, at room temperature.

Am I allergic to anything in the medicine?

This drug contains: finasteride, docusate sodium, magnesium stearate, microcrystalline cellulose, lactose monohydrate, pregelatinised maize starch, sodium starch glycollate, povidone, red and yellow iron oxides (E172), titanium dioxide (E171), hypromellose, talc
and hydroxypropylcellulose.

Do not use it if you are allergic to any of the above.

Is it available over-the-counter?

No. You can only buy Finasteride 1mg tablets on prescription. This is so that a doctor can ensure it is safe for you before you take it.

If you have not taken Finasteride before, you should see a doctor in person.

At present, Finasteride 1mg for hair loss is not available on the NHS, or at the levied rate. An NHS doctor can prescribe it for you, but they will have to do so in a private capacity.

Is it right for me?

Speak to your doctor if you have never taken Finasteride before. They will be able to assess your suitability for the treatment, and issue a prescription if appropriate.

How can I buy finasteride tablets online?

If you are looking to renew your Finasteride prescription online, you can do so using our confidential service. When you place an order on our site, your case is checked by a practising doctor, who will only issue a prescription for your medicine if they are satisfied that it is safe for you.

When your order is approved, it is dispensed at our UK pharmacy, before being shipped by special delivery. Most orders arrive within one working day.

Page last reviewed:  26/04/2022
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