Back acne treatment: what to use and when to get help

Why do you get back acne?

Acne starts when hair follicles become blocked with excess oil and dead skin cells. Bacteria can grow inside the blockage and cause inflammation and pus. Hormonal changes and some medicines can contribute, as can skin or hair products that make skin greasy. Sweat trapped under clothing and friction from backpacks, shirts or sports equipment can worsen back acne. A backpack can carry your belongings and aggravate your acne, which is an unnecessarily broad job description.12

The type of spot helps you choose treatment. Whiteheads are closed, blocked pores; blackheads are blocked pores that remain open. Small inflamed bumps are called papules, and bumps containing pus are called pustules. Papules can look pink or red on white skin and brown or purple on brown and black skin. Nodules and cysts are larger lumps beneath the skin, often painful and more likely to leave permanent scars.24

What can you use for back acne?

Treatments applied directly to the skin include cleansers, creams, lotions and gels. They can be enough for mild back acne with relatively few pimples. Choose by the active ingredient and the kind of spots you have, not simply whether the packaging says acne.35

How to treat mild back acne at home

1. 1Wash gently. General acne care includes washing twice a day with a gentle cleanser. Shower after exercise and change into clean clothes. Do not scrub your back.
2. 2Use your chosen acne treatment as directed. With a benzoyl peroxide cleanser, let the medicine stay on the affected skin for up to five minutes before rinsing, following the product's directions.
3. 3For medication left on the skin, apply a thin layer across the whole acne prone area rather than only visible spots. This treats existing acne and helps prevent the next breakout.
4. 4Make application practical. A back lotion applicator can help reach awkward areas, or you can ask someone to help apply treatment.
5. 5Keep using the treatment consistently. When starting one nonprescription acne product, give it six to eight weeks before adding another.

The back is a larger area than the face and harder to reach, which can make creams less practical to apply. A back applicator helps with the part of skincare that assumes every patch of skin is conveniently within arm's reach. Use the chosen product's directions for application frequency and time of day.35

Reduce sweat and rubbing without scrubbing

• Wear loose, breathable tops and change them after they become sweaty.
• Where practical, choose a bag that does not rub against your back.
• Use an oil free body wash labelled noncomedogenic, meaning it is designed not to clog pores.
• Wash sheets and towels at least once a week.
• Leave spots alone. Picking and squeezing can damage skin, cause scars and lead to infection.

Blackheads are not dirt, and scrubbing only worsens acne. For stubborn whiteheads and blackheads, a retinoid helps unclog pores, while a benzoyl peroxide wash helps reduce acne bacteria. If these spots persist after six to eight weeks, a dermatologist can consider prescription treatment or professional extraction.4

How long does back acne treatment take?

Expect weeks, not overnight clearing. General acne treatment timelines are four to eight weeks for fewer breakouts and around 16 weeks for clearing when the medication works. Back acne can take a few months to clear. If there is no improvement after six to eight weeks, arrange a medical review instead of repeatedly switching products.134

What is the best treatment for back acne?

The best choice depends on the spots and how extensive the acne is. Mild acne can respond to topical treatment alone. Widespread acne or acne that does not clear with topical products needs assessment for treatment taken by mouth. Options include an antibiotic such as doxycycline, a combined contraceptive pill when appropriate, or isotretinoin. A doctor needs to check which treatment is safe and suitable.5

Prescription creams, gels and lotions include retinoids such as tretinoin and adapalene, which reduce inflammation and oiliness and prevent spots. Topical antibiotics target bacteria involved in inflammation and pus. Oral antibiotics act on those bacteria, the combined pill manages contributing hormone levels, and isotretinoin reduces inflammation and oiliness while preventing spots.2

Who should get medical advice?

• See a doctor for deep or painful lumps, scarring, severe acne or acne that repeatedly returns.
• Get medical help for signs of infection, including fever or hot, swollen skin.
• Ask for help if acne is affecting your mental health.
• Speak to a dermatologist before treating acne yourself if you are pregnant or trying to become pregnant; some nonprescription treatments are not safe during pregnancy.
• Discuss medicines that could contribute to breakouts, including corticosteroids, with your healthcare provider.
• Seek advice about dark spots left after acne clears, particularly if new spots continue forming.