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About Product
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Mohamed Imran Lakhi Content Administrator GPhC: 2060586 Updated on: 17/07/2020 Next review: 17/01/2021

Buy Finasteride 1mg Online UK

You can buy Finasteride online from Prescription Doctor's trusted online UK pharmacy following a short medical questionnaire. Our online prescribers can determine whether Finasteride is suitable for you and issue a prescription for our UK based pharmacy to fulfil. If your order is approved by our doctor before 3pm Mon-Fri, our pharmacy will dispatch your item the same day in discreet packaging via a next-day courier service.

What causes hair loss?

In many cases, hair loss is a temporary condition brought on by stress, sickness or weight loss. In these instances, the hair can grow back over time.

However, male pattern baldness (androgenic alopecia) is typically a hereditary condition which affects a third of men in 30s and half of men in their 50s. Signs of hair loss can begin to show in a man’s 20s and can be identified by a receding hairline or thinning of hair around the crown.

For many men, the loss of hair can be harrowing, as hair is a common signal of fertility and losing it can have a drastic effect on a man's confidence. But with the right treatment at the right time, hair loss can be slowed to preserve the hair you have for longer.

Finasteride is an effective and clinically proven treatment to slow the rate at which hair falls out and reduces the length of time the body naturally sheds hairs. This regulates the hair growth cycle, halting hair loss and promoting the growth of new and healthy hairs.

What are the types of hair loss?

Despite androgenetic alopecia being the most common form of hair loss, it’s far from the only one.

Here are some of the other types of hair loss you might experience:

  • Scarring alopecia is a result of scars left by skin disorders, inflammation, surgery, injuries etc. Such scarring can damage follicles and prevent hair from growing.
  • Alopecia areata is a condition most commonly found in children and teenagers, and leads to patchy hair loss. It is rarely permanent, however.
  • Telogen effluvium is a temporary issue where the bulk of the sufferer’s hairs enter the telogen or “resting” phase at the same time, leading to a period of inactivity on hair growth and some shedding.

types of alopecia

The science behind hair loss

Hair, along with skin and nails, makes up the human integumentary system.

Hair consists mainly of keratin, a form of protein found in the skin and nails. While keratin is produces from tiny follicles all over the body, their highest concentration can be found in the head.

Hair has a growth cycle made up of four main stages:

During the first stage, known as the anagen phase, the hair grows consistently by about half an inch per month. There are many factors which can promote or inhibit anagen hair growth, but this stage tends to last for 3-5 years.

The second stage, known as the catagen phase, is when the growth slows and the hair begins to transition to a state of shedding. This involves hair follicles becomes detached from the blood vessels that supply them with oxygen and nutrients, leading to a rapid decrease in growth. This phase lasts for about 10 days.

The third stage is known as the telogen phase. At this point, hair follicles have become completely removed from the blood vessels. The follicles enter a temporary "resting" state where very little happens.

The fourth and final stage is known as the exogen phase. This is when the hair is shed, allowing for new hair to grow.

From here, follicles remain dormant for 2 to 3 months before the entire cycles starts again. But as we get older, our stem cells become less effective and the anagen phase gets longer, resulting in hair loss becoming more consistent.

However, this isn't the only way that hair loss occurs. Outside of ageing and a diminishing hair growth cycle, there are other natural causes which can contribute to hair loss, even in those in their early 20s.

If you are starting to worry about losing your hair as you get older, you're certainly not alone. Hair loss affects up to half of men by the age of 50.

But understanding the causes of hair loss, and the treatments that are available to you, can make all the difference.

The NHS recommend you see your GP if you experience any of the following:

  • Rapid or sudden hair loss
  • Uneven bald patches or hair loss in clumps
  • Itches, pains or other scalp discomfort
  • Stress, anxiety, depression or other mental conditions caused by hair loss

Your doctor will be able to examine your scalp, discuss your symptoms, and determine the cause of your heair loss. They may also be able to forward you to an appropriate specialist, if they believe your hair loss is negatively affecting your health or well-being.

What causes hair loss?

Male pattern hair loss can be hereditary. This genetic condition leads to hormonal changes as we age, beginning with a receding hairline, shrinking hair follicles (known as miniaturisation), and thinning of hair around the temples. This usually progresses to full hair loss (alopecia totalis).

Other causes of hair loss include:

  • Anaemia
  • Bleaching or colouring hair
  • Chemotherapy
  • Infections (such as ringworm)
  • Iron or protein deficiency
  • Stress
  • Sudden changes in weight
  • Thyroid issues
  • Using heated hair styling tools

Hair loss may also be a side effect from a medication used to treat hypertension, heart disease or arthritis.

Of course, none of this explains why men tend to lose their hair at a younger age than women.

The most common factor of hair loss among men is hormonal - a specific hormone called dihydrotestosterone (DHT).

Testosterone, the male sex hormone, is converted into dihydrotestosterone (DHT) by a 5-alpha-reductase - an enzyme found in the hair follicles.

It is believed that DHT causes hair follicles to shrink as men age, therefore leading to androgenic alopecia. This is also backed up by the fact that anabolic steroids have been found to increase the presence of DHT, since hair loss has been widely attributed to men who have taken them.

Treatments for hair loss

Man examining his hair lineWhile some men can embrace their hair loss, either by letting it fall out or shaving it off completely, other men feel great distress from their loss of hair. For some men, hair loss can affect them psychologically and cause self-esteem issues, anxiety or depression.

If your hair loss is causing you distress, it's best to speak to your GP. They will be able to inform you of treatments you can use and point you towards additional help should you need it.

There are a number of treatments available for hair loss. Though these treatments are not usually available on the NHS.

Wigs and toupees provide a low cost and convenient way to hide the problem, as opposed to fixing it. These range in cost depending on whether the hair is synthetic or real, but are available in a variety of sizes, colours and styles.

There are over-the-counter treatments for hair loss such as Regaine for men (minoxidil). This is a solution which is applied directly to the scalp to aid hair growth. Regaine is also available for women who suffer from hair loss.

Finasteride is a hair loss treatment which is only available on prescription. It is available under the brand Propecia or as a generic medicine.

Regaine (minoxidil) and Propecia (finasteride) may not work for all men and only work for as long as you use them. It's important to speak to your doctor before taking any medicine for hair loss, as it may not be safe for you to take. Your doctor will be able to determine if either of these medications are suitable for you.

While hair transplant surgeries exist, they are often very expensive and out of reach for most men seeking treatment. The procedure is reserved for more serious cases of hair loss and carries risk of scarring of the skin on the head and bleeding.

How to take Finasteride?

Finasteride for hair loss is available in a 1mg tablet which is taken daily. The tablet can be taken before or after food. Swallow the tablet whole with water.

If you miss a dose of Finasteride, skip the missed dose and take the next dose normally. Do not double up on the medication to make up for the missed dose.

You should always follow your doctor's dosage instructions. Do not take more Finasteride than prescribed.

How does Finasteride work?

Finasteride is a DHT-inhibitor which means it prevents the male sex hormone testosterone being converted into dihydrotestosterone (DHT). DHT plays a role in hair growth on the chest, back and armpits in men, as well as the development of the male genitalia.

When the genetic traits responsible for hair loss are present, DHT can cause the hair follicles to weaken and die. By blocking this hormone, the follicles can stay strong and your hair count can remain high.

The treatment does not promote new hair growth but instead works to slow the rate at which hair falls out. When taken correctly, Finasteride can reduce or inhibit hair loss within 3 months of use. If the treatment of Finasteride is stopped, the rate of hair loss before treatment will resume within 6 to 12 months.

Side effects and cautions

Before you buy Finasteride online from Prescription Doctor, it's important to be aware of the risks associated with the medicine you are taking. If you have any questions about your treatment with Finasteride, you can ask our online doctor.

Information regarding the safety of Finasteride, including side effects and contraindications, can be found in the patient information leaflet enclosed with your treatment.

You can view the patient information leaflet for Finasteride online here.


Do not take Finasteride if you are allergic to Finasteride of any of the other ingredients listed within the patient information leaflet (PIL) which comes enclosed with your medicine.

Finasteride contains lactose monohydrate. Speak to your doctor before taking Finasteride if your doctor has indicated that you are allergic or sensitive to certain sugars.

If you experience an allergic reaction after taking Finasteride, stop taking the medicine and seek emergency medical attention by going straight to your nearest accident and emergency department. Remember to take the packaging and any remaining medicine with you so that doctors know exactly what you have taken.

Signs of an allergic reaction include:

  • Chest tightening
  • Dry, red and cracked skin
  • Itchy, red watery eyes
  • Raised, itchy, red rash (hives)
  • Swelling of the lips, tongue, eyes or face
  • Tummy pain, nausea, vomiting or diarrhoea
  • Wheezing

Side effects

Like all medication, Finasteride carries the risk of certain side effects though not everybody gets them. Always read the patient information leaflet enclosed with your medicine before beginning treatment.

Possible side effects of Finasteride may include:

  • Decreased sex drive
  • Depression
  • Erectile dysfunction
  • Palpitations
  • Swollen or tender breasts
  • Testicular pain

This is not an exhaustive list of side effects. For more information regarding the safety of Finasteride, we encourage you to read the patient information leaflet (PIL) enclosed with your medicine.

Depression and suicidal thoughts have been reported by patients receiving treatment with Finasteride. If you experience a decline in your mental health during your course of treatment, you should stop taking Finasteride and seek medical advice from your doctor as soon as possible.

If you experience any side effects, whether they are listed above or in the leaflet which comes with your treatment, speak to your doctor or a qualified pharmacist.

Always keep medicine out of the sight and reach of children and pets.

Never share your medicine with anybody else, even if they are experiencing the same condition and symptoms as you.

Do not dispose of medicine via household waste or water waste as this can be detrimental to the environment. If you have any medicine which you no longer require, or if it has expired, take it to your nearest pharmacy and ask them to dispose of them on your behalf.

Finasteride is a prescription-only medicine for men only and should not be taken by women. Pregnant women should avoid contact with the drug as Finasteride can affect the development of genitalia in the male foetus.

Small traces of the drug can be passed on through the semen during unprotected sex, so it is important to use condoms while taking Finasteride.

Always speak to your doctor before you buy Finasteride online from Prescription Doctor.

Frequently asked questions

What if I forget to take Finasteride?

If you forget to take Finasteride when you should, skip the missed dose and continue to take Finasteride as you normally would. Do not take a double dose to make up for the missed dose.

What if I take too much Finasteride?

If you accidentally take more Finasteride than you should, speak to your doctor immediately. Taking more than the recommended dose will not make the medicine work faster but may increase your risk of experiencing side effects.

What is the difference between Finasteride and Propecia?

Propecia is the branded variant of Finasteride, which is marketed by Merck, Sharp & Dohme. Both medicines contain the same active ingredient known as Finasteride, which is a type-II 5-alpha reductase inhibitor.

Does Finasteride affect fertility?

The use of Finasteride may negatively affect your fertility. Speak to your doctor or pharmacist if you have any concerns.

How long for Finasteride to work?

While Finasteride begins to work in approximately 3 months, it may take several years of continuous treatment before you notice any significant difference in your hair count.

What happens if I stop taking Finasteride?

If you abruptly stop treatment, there is a high chance your hair loss will resume at the rate before taking Finasteride. Furthermore, you may lose hairs which have grown during the course of taking Finasteride. Before stopping treatment, you should speak to your doctor.

Will Finasteride work for me?

The effects of Finasteride, which are the strengthening of hair follicles and the regrowth of hair, were successful in over 90% of patients who took Finasteride daily. For the cessation of hair loss, Finasteride is proven to be very effective.

When is the best time to take Finasteride?

While there is no specific instruction on what time to take Finasteride, it is important to take Finasteride at the same time every day. If you often forget when to take your medication, consider putting a reminder on your phone.

Can women take Finasteride?

No, women should not take Finasteride. Finasteride is only intended to treat hair loss in men, commonly referred to as male pattern baldness, and should not be used to treat alopecia in women.

Table of contents

Buy Finasteride 1mg Online UK

What causes hair loss?

How to take Finasteride?

How does Finasteride work?

Side effects and cautions

Frequently asked questions

Additional resources

How long does Finasteride take to work?

What happens if you stop taking finasteride?

Where can I buy finasteride in the UK?

How to reduce the side effects of finasteride?


NHS, 2018. Hair loss.

Accord, 2018. Finasteride 1 mg Film-coated Tablets: Summary of Product Characteristics

W. Cranwell, R. Sinclair, 2016. Male Androgenetic Alopecia

E. T. Ustuner, 2013. Cause of Androgenic Alopecia: Crux of the Matter

Treatment information

  • Product Name: Finasteride
  • Active Ingredient(s): Finasteride
  • Administration: Oral
  • Presentation: Tablets
  • Available Strength: 1mg
  • Exemption: Prescription only
  • Application: Men over 18
  • Dosage: Take 1 tablet daily
  • Description: A prescription medicine for male pattern bal
  • Drug Class: Type II 5-alpha reductase inhibitor
  • Alcohol Consumption: Avoid or limit alcohol consumption
Click here to view the Finasteride - Patient Information Leaflet

Hair loss Alternatives

Propecia (Finasteride)

Propecia (Finasteride)
  • The most effective hair loss treatment available
  • Promotes hair growth in most cases
  • Registered prescribers are on hand
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  • Applied directly to the scalp
  • Available without a prescription
  • Dispatched from a UK regulated pharmacy
View Treatment