Comprehensive Guide to Acne Vulgaris Treatments from Topicals to Advanced Options
- Dr Bryan McDonald

- 3 days ago
- 4 min read
Acne vulgaris affects millions worldwide, causing physical discomfort and emotional distress. Understanding the range of treatment options can help you make informed decisions about managing this common skin condition. This guide explores various treatments, from topical creams to advanced therapies, detailing their benefits, effectiveness, and potential side effects.

Topical Acne VulgarisTreatments
Topical treatments are often the first step in managing acne. They work directly on the skin to reduce inflammation, kill bacteria, and prevent clogged pores.
Azelaic Acid
Benefits and Effectiveness
Azelaic acid is a naturally occurring acid that helps reduce bacteria and inflammation. It also promotes skin cell turnover, which prevents clogged pores. It is effective for mild to moderate acne and can improve skin texture and pigmentation issues caused by acne.
Potential Side Effects and Risks
Some users may experience mild irritation, redness, or dryness, especially during the first few weeks. This can be reduced by phased introduction and the use of light moisturisers after application to reduce irritancy. It is generally safe for sensitive skin and can be used during pregnancy under medical supervision.
Benzoyl Peroxide
Benefits and Effectiveness
Benzoyl peroxide kills acne-causing bacteria and helps clear blocked pores. It is widely used for inflammatory acne and can reduce the number of pimples within a few weeks. It is available in various strengths and formulations.
Potential Side Effects and Risks
Common side effects include dryness, peeling, and redness. It can bleach fabrics and hair, so care is needed during application. Overuse may cause excessive irritation. The irritation can be reduced by phased introduction and the use of light moisturisers after application.
Retinoids
Benefits and Effectiveness
Retinoids, derived from vitamin A, promote skin cell turnover and prevent clogged pores. They are effective for both inflammatory and non-inflammatory acne and can improve skin texture and reduce scarring over time.
Potential Side Effects and Risks
Retinoids can cause dryness, redness, and increased sensitivity to sunlight, so should be applied at night. They are not recommended during pregnancy. Starting with lower concentrations and gradually increasing use can help minimize irritation.
Antibiotics (Topical)
Benefits and Effectiveness
Topical antibiotics reduce bacteria and inflammation. They are often combined with other treatments like benzoyl peroxide to prevent antibiotic resistance. They work best for inflammatory acne.
Potential Side Effects and Risks
Skin irritation and dryness are common. Long-term use can lead to antibiotic resistance, so they are usually prescribed for short periods.
Clascoterone (Topical)
Benefits and Effectiveness
Topical clascoterone is a newer agent in the UK and is an anti-androgen that can be used in both males and females.
Potential Side Effects and Risks
Like other topical agents, it can cause irritation of the skin, so pahsed introduction and use of a light moisturiser may be needed to allow it to be tolerated.
Oral Acne Vulgaris Treatments
When topical treatments are insufficient, oral medications may be necessary, especially for moderate to severe acne.
Oral Antibiotics
Benefits and Effectiveness
Oral antibiotics reduce bacteria and inflammation throughout the body. They are effective for moderate to severe inflammatory acne and can show results within weeks.
Potential Side Effects and Risks
Side effects include stomach upset, increased sun sensitivity, and potential antibiotic resistance. Long-term use is discouraged. Doctors often recommend combining them with topical treatments.
Hormonal Treatments
Hormonal therapies target acne caused by hormonal imbalances, particularly in women.
Contraceptive Pills
These regulate hormones that increase oil production. They are especially effective for acne linked to menstrual cycles.
Spironolactone
This medication blocks androgen hormones that cause excess oil production. It is used for persistent acne in women.
Potential Side Effects and Risks
Hormonal treatments may cause weight changes, mood swings, or breast tenderness. They require medical supervision and are not suitable for everyone.
Advanced Options for Acne Vulgaris Treatment
For severe or resistant acne, advanced treatments offer powerful solutions.
Isotretinoin
Benefits and Effectiveness
Isotretinoin is a potent oral retinoid that can clear severe acne, including cystic forms, often with lasting results after a single course. It reduces oil production, inflammation, and bacteria.
Potential Side Effects and Risks
Side effects can be significant, including dry skin, nosebleeds, and increased sensitivity. It carries a high risk of birth defects and requires strict pregnancy prevention measures. Many other side effects have been attributed to its use, such as mental health problems, libido problems, bowel upset and headache. Regular medical monitoring is essential.
Light Therapy
Benefits and Effectiveness
Light therapy uses specific wavelengths to kill acne-causing bacteria and reduce inflammation. It is non-invasive and can improve mild to moderate acne.
Potential Side Effects and Risks
Side effects are minimal but may include temporary redness or dryness. Multiple sessions are usually needed for best results.
Laser Treatments
Benefits and Effectiveness
Laser treatments like Pulsed Dye Laser (PDL) and AviClear target inflammation and promote skin healing. They can reduce acne lesions and improve scarring.
Potential Side Effects and Risks
Possible side effects include redness, swelling, and temporary discomfort. Costs can be high, and multiple treatments may be necessary.
Acne vulgaris treatment requires a tailored approach based on severity, skin type, and individual response. If acne affects your confidence or quality of life, is severe or is causing scarring, consult a dermatologist to explore the most suitable options for you.



