Zinc oxide for perianal skin care

Published 13 March 2026 ·Last reviewed 13 March 2026 by the editorial team ·How we create our content

At a glance

Zinc oxide cream is a simple, widely available, and effective way to protect irritated perianal skin. It creates a barrier between the sensitive skin and the things that irritate it — moisture, friction, and contact with stool. If you are dealing with raw, red, or irritated skin around the anus, zinc oxide is a practical first step.

How it works

Zinc oxide is a physical barrier. When applied to the skin, it forms a protective layer that:

  • Blocks moisture from sitting against the skin — reducing maceration (skin breakdown from prolonged wetness)
  • Reduces friction between skin surfaces
  • Protects from irritants — including enzymes in stool that can damage skin
  • Provides mild anti-inflammatory effect — helping to calm redness and irritation
  • Creates a healing environment — damaged skin heals better when protected from ongoing irritation

When to use it

Zinc oxide is helpful for:

  • Perianal irritation from frequent bowel movements or diarrhoea
  • Pruritus ani (anal itching) — protecting the area from moisture and friction that perpetuate the itch-scratch cycle
  • Post-surgical drainage — protecting the skin around a healing wound from ongoing moisture
  • Fistula discharge — the area around a draining fistula can become irritated from constant moisture
  • Incontinence-related skin damage — even minor leakage can cause significant skin irritation over time

How to apply

  1. Clean the area gently — after a bowel movement or sitz bath
  2. Pat completely dry — zinc oxide works best on dry skin
  3. Apply a thin layer to the external perianal skin — you do not need a thick coat
  4. Reapply after bowel movements and cleaning
  5. Do not insert internally — zinc oxide is for external skin only

Practical tips

  • Apply after your prescribed treatment. If you use GTN, diltiazem, or another prescribed topical, apply that first. Allow it to absorb (five to ten minutes), then apply zinc oxide as a barrier layer.
  • Use a generous amount if the skin is very raw — a thicker layer provides more protection.
  • It will stain. Zinc oxide is white and can stain underwear. Use a pad or liner if this concerns you.
  • Clean gently. Zinc oxide does not need to be fully removed between applications. A fresh layer on top is fine. Harsh scrubbing to remove it defeats the purpose.
  • Choose unscented. Avoid products with added fragrances — the simpler the better for sensitive skin.

Where it fits in a care routine

A typical perianal skin care routine where zinc oxide plays a role:

  1. Sitz bath or gentle water cleaning
  2. Pat dry thoroughly
  3. Apply prescribed topical treatment if applicable
  4. Wait five to ten minutes
  5. Apply zinc oxide barrier cream
  6. Pad or liner if needed for protection

Common questions

What does zinc oxide cream do for perianal skin?

Zinc oxide creates a physical barrier on the skin that protects it from moisture, friction, and irritants (including stool). It also has mild anti-inflammatory and soothing properties. It is commonly used as a barrier cream for nappy rash in babies, and the same protective principle applies to irritated adult perianal skin.

When should I use zinc oxide cream?

Zinc oxide is helpful when the perianal skin is irritated, red, or raw from moisture exposure, frequent wiping, diarrhoea, or discharge. It is applied to the external skin around the anus — not internally. It is particularly useful for people dealing with pruritus ani (anal itching), fistula discharge, or post-surgical wound drainage.

Can I use zinc oxide with other treatments?

Zinc oxide is an external barrier cream. If you are using a prescribed topical treatment for a fissure (GTN, diltiazem), apply the prescribed treatment first and allow it to absorb. Zinc oxide can then be applied as a barrier layer over the top. Check with your clinician if unsure about timing.

Which zinc oxide product should I use?

Any plain zinc oxide cream or ointment is suitable. Higher concentrations provide a thicker barrier. Avoid products with added fragrances or unnecessary ingredients. Nappy rash creams (such as Sudocrem or Desitin) are zinc oxide-based and widely available.

When to seek care Heavy bleeding or feeling faint? Get emergency help now. Emergency: 911

Not sure how urgent it is? Get help today.

  1. Emergency

    Heavy bleeding, black tarry stools, feeling faint, severe pain or trouble breathing.

    Call 911 or go to the ER.

  2. Today

    Fever, pain getting worse, a hot swollen lump, or trouble passing urine.

    Call your doctor or go to urgent care.

  3. Soon

    Bleeding or bowel changes nobody has checked, or anything lasting 3 weeks.

    Book a doctor’s appointment.

Feeling overwhelmed? Call or text 988, any time.

See all the signs

For this topic, get medical advice if you notice:

  • Rectal bleeding — always worth getting checked
  • Unexplained weight loss
  • Persistent change in bowel habits
  • Severe or worsening pain

Recording how you feel is not the same as being checked. These are the signs that need a doctor’s attention.

Call 911 or go to the emergency room now if you have:

  • bleeding that will not stop, a lot of blood (the toilet water turns red, or you pass large clots), or any bleeding with feeling faint or dizzy
  • fainting, a racing heart or trouble breathing
  • confusion or slurred speech, extreme shivering, no urine in a day, or blotchy skin
  • sudden severe belly pain, or a swollen, hard belly with vomiting or not passing stool or gas
  • you cannot pass urine at all, or your bladder feels full and painful and you can’t empty it
  • redness, swelling or severe pain spreading quickly around your anus, genitals or groin, especially with a fever or feeling very ill
  • a fever with a painful swelling near your anus if you have diabetes or a weakened immune system (for example, from chemotherapy or transplant medicines)
  • black, tarry stools

Call your doctor or go to urgent care today (or the ER if you can’t be seen today) if you have:

  • a temperature of 100.4°F (38°C) or higher, chills, vomiting, or feeling generally unwell
  • pain that is getting worse over days, or severe pain that stops you sitting or sleeping
  • a hot, swollen or very tender lump near your anus or at the top of the crease between your buttocks, or foul-smelling discharge
  • trouble urinating
  • bleeding that is getting heavier or more frequent, or blood mixed into your stool
  • feeling much more tired than usual, looking pale, or getting out of breath more easily than you used to
  • not passing stool for several days, or new belly pain

Make an appointment with your doctor if:

  • you have never had these symptoms checked by a doctor or nurse — whatever your age
  • you have had rectal bleeding for more than 3 weeks
  • your bowel movements have been looser, thinner or more frequent than usual for 3 weeks or more, or you have lost weight without trying
  • symptoms have not settled after a week or so, or keep coming back
  • you notice a new lump near your anus, between your buttocks or in your belly, or an itch or discharge that does not clear
  • you have new leakage or trouble controlling your bowels
  • you are 45 or over, or have a family history of bowel cancer or inflammatory bowel disease, and any of these symptoms are new for you

If you are unsure, it is always reasonable to ask. If things feel overwhelming, call or text 988 (Suicide & Crisis Lifeline) or chat at 988lifeline.org, any time. If you don’t feel safe, call 911.

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  • Each Sunday, a link to your week, ready for your next appointment.
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