Cold Sores Online Doctor Ireland – Advice

Cold Sores — Advice from an Online Doctor

Cold sores are common and usually clear up on their own within 10 days, but frequent or severe outbreaks can be miserable. An online doctor can advise you.

Last updated 10 October 2026 · Written for patients in Ireland

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When to talk to a doctor

Cold sores that keep coming back
Large, very painful or slow-healing sores
Sores near the eye
A weakened immune system, or pregnancy
A cold sore in a young child

Looking after a cold sore

Avoid touching it, and wash your hands if you do
Do not share towels, cups or lip balm
Avoid kissing and oral sex until it has fully healed
Use sun protection on your lips if sunlight triggers outbreaks

Seek help quickly

See a doctor urgently if a cold sore is near your eye or your eye becomes red and painful, or if you feel very unwell with a fever.

Frequently asked questions

Are cold sores contagious?

Yes, from when they start tingling until they have fully healed.

Can a doctor help with frequent cold sores?

Yes. They can advise on treatment and, where appropriate, options to reduce how often outbreaks happen.

Official sources and further reading

HSE: cold sores

This page is general information for patients in Ireland, not a diagnosis or personal medical advice. If you are worried about your health, speak to a doctor. In an emergency call 112 or 999.

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