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The Definitive Guide to Spironolactone

Spironolactone is a prescription-only medicine with many and uses. It was originally to treat high blood pressure and heart failure. However, it also blocks androgen hormones, which has made it a useful for acne and androgenetic (pattern) hair loss. Spironolactone comes in two forms. The oral tablets are already licensed for heart and blood pressure but used off-label for skin and hair. is also in which you apply directly to the skin or scalp. These are unlicensed and formulated individually for each patient.


of form, you can only use under the guidance of a registered doctor or medical prescriber. This guide how spironolactone works to treat acne and hair loss and the differences between the oral and topical forms. We will also review the side and how to get it safely in the UK if it is appropriate for you.

What is Spironolactone?

The main function of is as a potassium-sparing diuretic. It is an (mineralocorticoid) receptor antagonist, it blocks the aldosterone in the kidneys. This helps the body clear excess water and salt whilst on to potassium. For this reason, has been for decades to treat heart failure, high blood and a condition called primary (where your body makes excess steroids).


Spironolactone also . This is the group of hormones, including testosterone and DHT, responsible for so-called "male" characteristics. the name, both males and have these . Androgens drive oil in the skin and to on the scalp. In some people this can lead to acne and hair loss. Interestingly, this is rarely due to an excess of . Instead, some people’s skin and hair cells are just more sensitive to activity. By blocking and the effect of these hormones, can help reduce oil production and potentially reduce acne breakouts. It can also help reduce DHT-driven hair loss. Spironolactone is not licensed for use on the skin and hair. However, dermatologists have been using it for over 30 years as both oral and forms.

What Does Spironolactone Treat?

Broadly speaking, oral spironolactone has a set of and unlicensed uses. It is in the UK for heart failure, resistant hypertension and primary hyperaldosteronism. In dermatology, is used in oral or topical form for if their doctor or prescriber deems it appropriate. The main uses of spironolactone for skin and hair are:


At City Skin Clinic, we use topical in our and treatments where suitable. It is often other where the doctor believes it will help.

Oral vs Topical Spironolactone

Possibly the most important thing to about spironolactone is the difference the oral and topical forms. They are not interchangeable and they suit different people and .


Oral is a tablet that works systemically to lower androgen activity throughout the whole body. It has by far the base of the two forms. Your prescriber will the best dose and frequency for you, but common protocols involve:


systemically carries a higher risk of side effects (which we cover later) and requires blood tests to potassium and kidney function, particularly at higher doses. Because of its potential feminising effects, oral spironolactone is also not for men.


usually comes as a serum, though it can also be formulated as a cream or lotion. It is generally available at 1% for the hair and 5% for the skin, though the prescriber will set this based on each patient’s and needs. You apply it directly to acne-prone skin or the scalp. Compared with oral, the key are:


Because each is compounded individually to a doctor’s prescription, the strength, base and any added actives can all be tailored to you. This targets the problem from several angles in a way fixed, off-the-shelf products cannot. The trade-off, as with all compounded medicines, is that they are unlicensed and made freshly for each patient. As such, they have a shelf life and need an experienced prescriber to get the right.


Ultimately both are prescription medicines, available as unlicensed only if a doctor or other medical provider feels they are appropriate and safe for you. The right choice depends on the severity of the problem, your overall health, your tolerance for side and your preferences.

What Other Treatments Work Best with Spironolactone?

Both and are multi-causal conditions. Whilst spironolactone tackles the driver, it is rarely enough on its own. It works best as part of a combination that all of the drivers at once.


In , the main drivers are excess oil production, abnormal pore lining, pores, bacteria and inflammation. hormones cause oil . Spironolactone only the driver, so it usually best to pair it with that tackle the other causes such as:


In androgenetic hair loss, the key drivers are genetics and sensitivity to androgens (particularly DHT) at the follicle leading to the . Spironolactone blunts the androgen signal to stop hair but it is not enough by itself to boost regrowth. It is usually best to it with treatments that stimulate hair growth or block DHT more directly:


One important note of is that you can not combine Spironolactone with other medicines or that raise potassium unless a doctor specifically directs it. This is one of several reasons it needs cautious and careful .

How to Use Spironolactone

How you use depends entirely on the form and in both cases your will give you clear instructions regarding how to use it safely and effectively. You normally apply topical spironolactone to the affected skin for acne or scalp for hair loss. Frequency is usually once or twice daily as directed and the general is:


Oral spironolactone is normally available in tablet form. Doctors usually titrate the dose up gradually by your . It is usually taken with food. As it works systemically, it requires blood tests to and kidney function, particularly when or increasing the dose.


Whichever form you use, the timeline is similar to other and acne treatments. Acne tends to respond within 3-6 months, whilst hair loss can take 6-12 months before you see changes. Continued use is necessary to the .

What are the Side Effects of Spironolactone?

The side effect profile significantly between the two forms. Because it works throughout the body, oral spironolactone the greater risk. In the impressive it was generally well . However, possible side effects or oral include:


spironolactone has minimal systemic absorption, so its side effect profile is very different and much . This is one of the main the form is used even though it is not . However, there are still possible risks of use including:


This is why any form of Spironolactone is only available by prescription and requires evaluation of risks and before . With either form, stop and seek medical advice if you have a severe reaction, signs of an reaction, or any side effect.

Who Can & Cannot Use Spironolactone?

needs careful to ensure it is appropriate, safe and . The main considerations doctors need to tthink about include:


These apply mostly to the oral form, but anyone considering spironolactone in any form should also think through them. This is precisely why it is a prescription-only .

Alternatives to Spironolactone

Obviously, Spironolactone is not the only option for hormonal acne or androgenetic hair loss. Whichever you are dealing with, it is usually one of several your will consider. More often than not a of is necessary to tackle complex conditions like acne and pattern androgenetic hair loss.


For androgenetic hair loss, there are a couple of that can serve as a suitable to oral or Spironolactone. The main options are:


When it comes to acne in women, there are a few of that can address the hormonal nature or the inflammation it causes. The main alternatives to for acne include:


As with everything in skin and hair, there is no single best . The right choice, or the right combination, on the cause, your overall health and your individual . Your medical will shoudl help you find the best treatment for you.

How to Get Spironolactone in the UK

Spironolactone is prescription-only in every form, so you cannot buy it over the . It is only available by prescription if a doctor or other provider deems it is appropriate, safe and most effective option for you. The main ways suitable people might be able to access Spironolactone for treatment in the UK are:


At City Skin Clinic, we use topical spironolactone for patients as part of and . The process works as follows:



At City Skin Clinic, we are passionate about skin and hair care. We offer safe and effective custom using ingredients like , , , , and where appropriate through our online clinic. Our doctors treat , , , , and through bespoke treatments designed around you. To start your personalised plan, book a or use . The journey towards great skin and hair .



This article is for informational only and is not a substitute for medical advice, diagnosis or . Always consult a medical provider for any concerns or questions you might have.



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