Papules, pustules, nodules and bacteria

Treatment for inflammatory acne

Treatment for inflammatory acne targets the red, swollen bumps: benzoyl peroxide cuts the bacteria behind them and a retinoid unclogs the pores. Deep or widespread breakouts need a dermatologist, and an antibiotic is never used alone.

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Treatment for inflammatory acne, rung by rung

Treatment for inflammatory acne steps up with what you see: how many red bumps, and whether any sit deep.

A fewAbout tenTwenty or moreLost count
Any deep, sore lumps?
Move the slider to see your rung.

  1. Rung 1: a few red bumps

    Store care: a benzoyl peroxide or salicylic acid wash, and adapalene at night to unclog pores (AAD).

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  2. Rung 2: ten or more red and pus bumps

    A dermatologist, who can prescribe a combination, such as a retinoid with benzoyl peroxide or an antibiotic with benzoyl peroxide (AAD).

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  3. Rung 3: many bumps that keep coming

    An antibiotic pill such as doxycycline for the shortest time, usually 3 to 4 months, always with benzoyl peroxide or adapalene. Some women do well on hormonal therapy.

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  4. Rung 4: deep lumps or scars

    A dermatologist first. Isotretinoin is strongly recommended for severe or scarring acne, and one large, painful lump can be shrunk with a corticosteroid injection.

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What treatment for inflammatory acne is up against

Inflammatory acne is the red, swollen kind. It means a clogged pore where trapped bacteria set off your immune system (MedlinePlus). The lesions of inflammatory acne come in three sizes (NIAMS):

Papules
Small pink bumps that can be tender to the touch.
Pustules
Papules topped with white or yellow pus, often red at the base.
Nodules
Large, painful, solid lumps lodged deep in the skin.

Over-the-Counter Topical Treatments

Benzoyl Peroxide
Reduces acne bacteria. It works best alongside another treatment that targets the other causes (AAD).
Topical Retinoids
Unclog pores. One retinoid, adapalene, is sold without a prescription (AAD).
Salicylic Acid
Opens clogged pores and helps with whiteheads and pimples (AAD).
Sulfur
Listed by MedlinePlus among store acne medicines.

Prescription & In-Office Care

Topical Combinations

A dermatologist often pairs benzoyl peroxide with a retinoid or an antibiotic in one product (AAD).

Oral Medications

An antibiotic pill is given for the shortest time possible, usually three to four months. Taken alone, it can quickly stop working as bacteria grow resistant, so it always comes with benzoyl peroxide or adapalene (AAD). For acne that is severe, scarring or failing other treatment, the 2024 US guideline strongly recommends isotretinoin. It also lists the pill and spironolactone as options for some women.

Deep, tender bumps that gather on the chin and flare with your cycle respond to different medicine; the guide to acne on chin explains why.

In-Office Procedures

A dermatologist can inject a corticosteroid into a painful cyst or nodule to shrink it and ease the pain quickly (AAD).

Essential Daily Care Tips

  • Cleanse Gently. A mild cleanser twice a day, with your fingertips. Scrubbing irritates, and irritated skin breaks out (AAD).
  • Moisturize & Protect. A moisturizer made for acne-prone skin, and an SPF 30 sunscreen labeled "non-comedogenic" (AAD).
  • Hands Off. Popping can push the contents deeper and cause scars (AAD).

If you're on the first rung, the full routine for acne treatment at home walks through each product in order.

What doesn't help

Washing many times a day, scrubbing hard and switching products every week all work against you. Give a treatment 6 to 8 weeks before you judge it (AAD).

Pills sold to calm breakouts from the inside are a separate question, and the evidence on acne supplements is thinner than the labels suggest.

Red bumps during pregnancy

Talk to your obstetrician or dermatologist before you treat anything. Azelaic acid is thought to be safe; benzoyl peroxide and salicylic acid are considered safe in limited amounts; most experts say to stop tretinoin; isotretinoin can't be used (AAD).

Reader questions

What causes acne to turn inflamed?

A pore clogs with oil and dead skin. If bacteria get trapped in the plug, your immune system reacts, and the bump turns red, swollen and sore.

What are inflammatory lesions?

Papules (small pink, tender bumps), pustules (papules with pus on top) and nodules (large, painful lumps deep in the skin).

How do you get rid of inflammatory acne fast?

There's no overnight fix. A dermatologist can combine treatments, and one big, painful lump can be shrunk quickly with a corticosteroid injection.

Does inflammatory acne ever go away?

For most people it fades by their thirties, though some still have it in their forties and fifties. Treatment keeps it down in the meantime.

What is a safe treatment for inflammatory acne during pregnancy?

Talk to your obstetrician or dermatologist first. Azelaic acid is thought to be safe, benzoyl peroxide and salicylic acid only in limited amounts, and isotretinoin is never an option.

Sources

  1. Acne: diagnosis and treatment, American Academy of Dermatology (AAD)
  2. Antibiotics for acne, AAD
  3. Guidelines of care for the management of acne vulgaris, JAAD, 2024, PMID 38300170
  4. Acne, NIAMS (NIH)
  5. Acne, MedlinePlus (NLM)
  6. Types of acne and how to treat them, AAD
  7. Severe acne, AAD
  8. Isotretinoin, AAD
  9. Acne treatment during pregnancy, AAD
  10. Habits that can make acne worse, AAD
  11. Dermatologists' tips for acne-prone skin, AAD

Last reviewed . This page is general information, not a diagnosis. See a dermatologist if you have deep, painful lumps, if bumps leave scars, or if nothing improves after 6 to 8 weeks.

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