Deciding between topical and oral acne treatments is not a simple escalation from “mild” to “strong” treatment. It’s actually a complex process that needs to weigh up a lot of data points. Doctors tend to make this decision by assessing key variables like acne type, location, severity, recurrence, skin and overall health. Of course, patient preference and compliance are also factors that need consideration. That’s why two people with similar-looking skin may get very different treatments. Luckily, this is a decision your doctor will be well accustomed to making. However, understanding this logic can help you make sense of their recommendation. In this article, we’ll explore how doctors decide between oral and topical treatments for acne.
What’s the Difference Between Oral and Topical Acne Treatments?
First of all, there are lots of acne treatments. Most come in both oral and topical forms but some are only available as one or the other. Other than how you use them, oral and topical acne treatments differ in where they act, what they influence and their side effects. Topical acne treatments usually come in lotion, cream or gel forms. They work locally within the skin, targeting processes such as follicular blockage, hormone actions and surface-level inflammation. This makes them very good for acne which only affects a small and accessible area such as the face or neck.
Oral treatments go into the bloodstream and then reach target cells throughout the body. They can influence oil production, inflammatory signalling or hormonal pathways as well as skin cell turnover. As they act systemically, they are extremely useful when acne is widespread and affects multiple or hard-to-reach areas. The choice between the two depends on the type of acne, the drivers and overall patient health.
How Do Doctors Decide Between Them?
Doctors decide between oral and topical acne treatments by weighing up a number of data points. These cover both the acne itself and the patient as a whole. This requires a detailed consultation. The aim is to identify things like which acne drivers are dominant and how the acne behaves over time. It also covers historic responses, including recurrence, and the patient’s general health. The critical factors in deciding between topical and oral acne treatments include:
- Acne Behaviour: How acne behaves over time is often more important than severity. A history of rapid relapse after stopping treatment, cyclical flares or progressive worsening despite using effective topical treatments may suggest systemic control is necessary.
- Type and Location: Acne that is widespread or affects hard-to-reach areas such as the back or chest is often less practical to manage with topicals alone. The same is true of deep nodulocystic lesions. In some cases, oral treatment is more suitable for both results and adherence.
- Response History: Acne may improve on oral antibiotics but rebound quickly after stopping them. This suggests the antibiotics suppressed the inflammation without addressing the underlying driver. This usually suggests a need for acne-modifying treatments such as oral or topical retinoids.
- Key Drivers: Things like adult onset, lower-face distribution or cyclical flares point towards hormonal or systemic influences as the main driver. This makes oral or hormonal therapies more suitable, and the one chosen often depends on the spread and behaviour of the acne. Inflammatory patterns necessitate antimicrobial and immunosuppressive treatment, the choice and route of which depend on its spread, severity and past responses.
- Associated Conditions: Scarring, significant post-inflammatory hyperpigmentation, widespread distribution or psychological distress may lower the threshold for oral retinoid treatment. This is because the cost of ongoing disease outweighs the risks of systemic intervention.
- Patient-Specific Factors: Side effects, adherence, medical history and lifestyle strongly influence treatment choice. Poor tolerance of topical irritation or purging may shift the balance toward oral therapies. So can difficulty maintaining consistent application, or contraindications to certain medicines.
What Can Topical Treatments Do?
Topical acne treatments work in a number of different ways depending on the agent. What they have in common is they work at the local level. So their impact is on the patch of skin where you apply them. They rarely absorb into the bloodstream, so cannot act on distant parts of the body. The value of this is that it ensures you treat only the area of concern and minimise side effects. However, the limitation is that it’s hard to target extensive body acne.
There’s also a wide variety of topical treatments. These include retinoids like adapalene and tretinoin, which help normalise follicle behaviour and hence reduce pore clogging, a key step in acne formation. Other topical agents include azelaic and salicylic acid which also help keep pores clear. Topical antibiotics and benzoyl peroxide help kill acne-forming bacteria and reduce inflammation. Where hormone sensitivity is a key driver of acne, topical spironolactone and other blockers can help counteract this. Whilst topical treatments can tackle acne from a wide range of pathways, they work well in the following situations:
- Acne is localised and hence affects limited areas such as the face and neck or smaller easy-to-reach areas on the body. This ensures these areas can be treated consistently and progress easily monitored.
- Lesions are predominantly comedonal or mild to moderate inflamed pustules or papules.
- Relapse after stopping treatment is slow and gradual.
- Acne has a history of responding to topical treatments (even if modest).
- Maintenance after successful oral therapies.
- Minimising the possibility of side effects, especially in those with underlying risk factors.
- Mild to moderate post-acne marks and skin texture.
What Do Oral Treatments Do?
There are lots of different types of oral acne treatments and, like topicals, they target acne in a number of ways. The main actions of oral treatment include follicle normalisation and oil reduction by Roaccutane. Others include inflammatory suppression by antibiotics and hormonal treatments like spironolactone and the combined pill. What differentiates oral acne treatments from topicals is that they act systemically. This means they travel through the bloodstream and act on cells throughout the body. The advantage of this is they can reach deeper into the skin and target multiple areas of the body at the same time. However, there is the disadvantage of increased side effects, as these medicines also impact non-acne skin and even other organs in the body. They can also potentially interfere with other medicines that a patient might be taking. The main reasons doctors opt for oral acne treatments over topicals include:
- Acne is widespread or affects large or hard-to-reach areas such as the back, chest or multiple body sites.
- Inflammation is deep or aggressive with nodules, cysts or rapidly spreading infection.
- Relapse is rapid after stopping topical treatment.
- There is a key ongoing hormonal driver.
- Topical treatment is unable to manage acne despite good adherence and tolerance.
- Severe scarring or marked distress is present.
Can You Use Both?
Whilst most people with mild to moderate acne respond to topical treatments alone, a small number require oral treatment. However, treatments like oral antibiotics often work best in combination with topical agents like retinoids. Even doctors prescribing oral treatments may recommend using topical agents. Examples of this include benzoyl peroxide alongside oral Roaccutane or pairing topical retinoids with oral hormonal treatments. The key logic behind combining them is to address different mechanisms of the same disease process. Combining topical acne treatments with orals allows doctors to:
- Stabilise active or rapidly progressing acne, using oral therapy to reduce inflammatory burden whilst topical treatments begin to take effect.
- Reduce reliance on long-term systemic treatment by transitioning control to topical maintenance once acne settles.
- Minimise relapse risk by having topicals working in the background whilst oral therapy is withdrawn.
- Adapt treatment over time by stepping oral therapy up or down as acne biology, lifestyle and response evolve.
Effective acne treatment requires a thoughtful and personalised approach. Whilst there are many types of acne treatments, there’s no single product or medication that works for everyone all the time. That’s why doctors take a data-driven approach. They weigh up acne and patient-specific factors to decide which treatment is best for you. Most people will require several acne treatments, and the choice between oral and topical depends on these factors. Ultimately, most people end up with a combination of both oral and topical acne treatments, initially or switching between them depending on response.
At City Skin Clinic, we believe that skincare is personal and should always centre around your individual needs. Our doctors offer custom topical acne treatments using ingredients like tretinoin, azelaic acid, clindamycin and spironolactone where appropriate. If you are interested in a personalised skincare treatment please use our online skin consultation form or book a video consultation. Start your treatment journey today and take your first step towards great skin.
This article is intended for general informational purposes only and is not a substitute for medical advice, diagnosis or treatment. Always consult a qualified medical professional with any concerns about your skin or treatment options.
