How to reduce back acne

Why acne develops on your back

Back acne starts when hair follicles become blocked with oil and dead skin cells. Bacteria grow inside the plugged follicles and contribute to inflammation, which causes swelling, redness and pain. The back, chest and shoulders are common places for acne, and severe back acne can leave permanent scars.25

Acne is not caused by dirty skin. Blackheads look dark because air changes the oil at the surface, not because dirt is trapped there. Hard scrubbing and picking can make acne worse, so trying to polish your back clean works against the treatment.23

How to build a back acne routine

1. 1Clean your back gently. Avoid aggressive scrubbing, and do not squeeze or pick the spots.
2. 2Choose an acne treatment. Benzoyl peroxide is available as a wash or a gel that stays on the skin. Lower concentrations and wash formulas are less irritating.
3. 3If you use a topical retinoid, apply it across the affected area rather than only to individual pimples. Retinoids help prevent new blocked pores as well as treat existing ones.
4. 4Reduce pressure on the affected area. Tight clothes, sports equipment and backpacks can make acne worse.
5. 5Arrange medical care if acne keeps worsening, does not improve with treatment, or includes deep painful lumps.

Choose treatment by what the medicine does, rather than treating every spot as a separate problem.6

Which ingredients help back acne?

Benzoyl peroxide and topical retinoids are strongly recommended acne treatments. Salicylic acid and azelaic acid are additional options whose suitability depends on the person. Combining treatments with different roles can give better results. Different medicines do different jobs.1

If irritation is a concern, a lower concentration benzoyl peroxide wash is less irritating than higher concentrations or formulas that stay on the skin. Topical retinoids break up blackheads and whiteheads and help prevent clogged pores, but they often need several months before positive results become noticeable.6

What can keep back acne going?

Pressure from backpacks and tight clothing can worsen acne without being its underlying cause. High humidity and stress can also aggravate it. Hormonal changes can increase oil production, and family history affects the likelihood of developing acne. These factors explain why washing alone does not address every part of the problem.2

Some medicines, including corticosteroids, lithium and medicines containing hormones, can cause acne. Tell your clinician which medicines and supplements you take, especially if the breakout appeared suddenly or became severe. Sudden severe acne in an adult sometimes needs assessment for an underlying condition.267

Will changing your diet clear back acne?

Diet is not a dependable replacement for acne medicine. Some studies suggest certain foods can worsen acne, but the role of diet remains unsettled. Chocolate and greasy food are often blamed despite little evidence that food has much effect on acne in most people. Vitamins, plant based remedies and restrictive diets are not established substitutes for acne treatment, however ambitious the shopping list looks.123

When should you see a doctor?

• Get help early for large, deep or painful lumps, particularly if scars are developing.
• Seek medical assessment for bumps that connect beneath the skin, areas draining pus, or clusters of blackheads in the same spot.
• See a clinician if acne is getting worse or is not improving with treatments bought without a prescription.
• Ask for an assessment if bumps are particularly itchy. Yeast related folliculitis, an inflammation of hair follicles, can look like acne.

A rare severe form called acne conglobata causes deep bumps, cysts and abscesses that can connect under the skin. It often affects the back or chest and does not clear without treatment. Early care can help prevent serious scarring; these symptoms are a reason for assessment, not a diagnosis to make yourself.4

What happens if washes are not enough?

Prescription options include topical medicines and oral antibiotics. Antibiotics are used with benzoyl peroxide to reduce antibiotic resistance, and oral antibiotic use should be limited where possible. Isotretinoin is recommended for severe acne or acne that has not responded to standard oral or topical treatment. A clinician can also inject a corticosteroid into a larger acne bump for faster relief of pain and inflammation.1

Can hormonal treatment help stubborn back acne?

Women with stubborn chest or back acne can discuss hormonal treatment with a dermatologist, particularly when other treatments have been disappointing. Options include certain birth control pills and spironolactone. Both require a prescription and a health assessment. The pill usually takes 2 to 3 months to show improvement; spironolactone can reduce breakouts and oiliness within a few weeks.7

Spironolactone requires birth control if you can become pregnant because it can cause serious birth defects. It is not prescribed for acne in men because of side effects. Some women cannot safely take the pill, including those with a history of blood clots or stroke. Before spironolactone treatment, blood tests are needed; follow up visits are usually every 4 to 6 weeks initially. Contact the prescribing dermatologist promptly for signs of a serious side effect, such as cramping in an arm or leg.7