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How do you treat diaper rash?

Updated Sep 3, 20261 min readAnswer
On this pageShort answer What to do Common questions Related questions Sources
Short answer

Change nappies promptly and often, clean with water and cotton wool or fragrance-free wipes, pat dry, allow daily nappy-free time, and apply a thin layer of barrier cream (zinc oxide or petroleum) at every change.

Skip talcum powder, perfumed products, and tight nappies; most rashes improve within days. When it is more than irritation: bright red with spots spreading beyond the main patch (thrush - needs antifungal cream), blistering or broken skin, fever, spread beyond the nappy area, or no improvement after about a week of good care. A clearly distressed or unwell baby with a rash is a separate signal from the rash itself. Pymander is a free AI doctor, 24/7 by text, and can help you judge the pattern.

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What to do

1Barrier cream at every change:zinc oxide or petroleum, thin layer.
2Air time daily:kicking bare on a towel dries and heals.
3Water and pat-dry only:no powder, no fragrance, no rubbing.
4Escalate spots, blisters, or fever:thrush and infection need treatment.

Common questions

How do you treat diaper rash?

Nappy rash - red, sore-looking skin in the nappy area - is almost always irritation from wetness and friction, and it responds to a simple routine: change nappies promptly and often, clean the area with water and cotton wool or fragrance-free wipes, pat dry rather than rub, give your baby as much nappy-free kicking time on a towel as you can, and smooth on a thin layer of barrier cream - zinc oxide or plain petroleum - at every change to keep wetness off the skin. Skip talcum powder, perfumed products, and tight nappies. Most rashes improve within a few days of this routine. When it is more than irritation: a rash that is bright red with spots spreading beyond the main patch (that suggests thrush, which needs an antifungal cream), blistering, broken skin, a fever, a rash spreading beyond the nappy area, or one not improving after about a week of good barrier care - all worth a pharmacist or doctor visit. Babies do not usually seem bothered by simple nappy rash, so a clearly distressed, unwell baby with a rash is a separate signal. Pymander is a free AI doctor, 24/7 by text, that can help you judge the pattern from a description.

About this page. Written and maintained by the Pymander Health team. Last updated September 3, 2026.

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