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Home Health Info Colds Published on : September 19, 2025

Natural Home Remedies For Cold Sores: Doctor's Pick

Written by Dr Nelson Lau, MBBS FRACGP, GP & Digital Health Specialist. Originally published on 13 March 2024. Blog updated on 19 September 2025.

Natural Home Remedies For Cold Sores: Doctor's Pick
Natural Home Remedies For Cold Sores: Doctor's Pick

Contents


Natural Home Remedies For Cold Sores: Doctor's Pick

Summarise with AI:

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This blog is for educational purposes only and does not replace professional medical advice or diagnosis. If you have health concerns, consult an AHPRA-registered telehealth doctor or request a medical certificate online if clinically appropriate. Please note: Hola Health does not currently offer Mental Health Care Plans.


Overview

Cold sores can be annoying, painful, and pop up at the most inconvenient of times. In Australia, due to the harsh sun and the busy lifestyles we have can often trigger flare-ups. Let's take a look at what cold sores are, suggest some simple home remedies that you can try to ease the symptoms, go through some prevention tips, and also discuss when you need to see a doctor.  

What are cold sores?

Cold sores are small blisters around the lips caused by the herpes simplex virus (HSV-1).
  • Common symptoms include a tingling sensation, feeling itchy, painful blisters, and scabbing.
  • The sores can easily spread by kissing, sharing cups or cutlery, or having close contact with others.
  • In Australia, flare-ups of cold sores are often triggered by sun exposure, stress, or when you're run down.
Treating this early tingle immediately is the most effective way to stop a blister forming, often necessitating a consultation with an after-hours doctor when symptoms start overnight.

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Natural home remedies for cold sores

  1. Aloe vera gel – This can help to soothe the irritation and may also help to shorten the healing time.
  2. Ice packs – Often numbs the pain and reduce the swelling when applied early.
  3. Tea tree oil (diluted) – The oil has antiviral properties, but should always be diluted to avoid skin irritation.
  4. Lysine supplements – Available in Australian pharmacies and may help to reduce outbreaks.
  5. Honey (medical-grade) – Can act as a natural antiviral and promote healing of the sores.
  6. Petroleum jelly – Protects the sores from cracking and reduces dryness, which can cause a lot of pain.
Natural Home Remedies For Cold Sores: Doctor's Pick
  Note: Some remedies can often help ease symptoms, but they won't cure the virus itself. You should always patch-test oils first before you use them, and see doctor if your sores worsen or keep coming back.

What to avoid when you have a cold sore?

It's not only about what you put on a cold sore but also what you avoid for optimal healing:
  1. Touching or picking: Hands off those blisters! The fluid inside contains the virus, so avoid touching the sore unless applying medication, and wash your hands meticulously to prevent spreading.
  2. Acidic and salty foods: Citrus fruits, spicy dishes and excess salt can intensify the stinging sensation.
  3. Sharing personal items: Avoid spreading the virus through shared towels, drinking glasses or utensils.

Lifestyle habits

  • Use lip balm with high SPF (Sun Protection Factor) – The Aussie sun is a big trigger of sores, so that daily sun protection will help.
  • Stay well hydrated – Dehydration can weaken your immune system, so it's important to keep up with fluids.
  • Manage your stress – Relaxation techniques like yoga, meditation or tai chi can lower the risk of outbreak.
  • Eating a balanced diet – Having a variety of fresh fruit, veggies, and whole foods helps to keep your immune system strong.
  • Get enough sleep – Lack of adequate rest can make the flare-ups of the sores more frequent.

When natural remedies aren't enough

  • Frequent outbreaks – More than 6 times a year need medical review.
  • Severe pain or spreading sores – These may likely require prescription medication from your doctor.
  • Cold sores lasting more than 2 weeks – These could be a red flag for potential complications.
  • Sores near the eyes – If this occurs, it can potentially be dangerous, and you need to see a doctor urgently.

Medical treatment options in Australia

  • Antiviral creams – Commonly available at pharmacies, and is best used at the early tingling stage.
  • Antiviral tablets – A doctor or medical practitioner can prescribe these for severe or frequent cold sore outbreaks.
  • Telehealth services – Many doctors in Australia now offer online telehealth consultations and can send prescriptions to you electronically via SMS.
  • Over-the-counter pain relief – These may help to manage the pain when it gets worse.

When to consult a doctor?

While cold sores usually clear on their own within 1-2 weeks, there are times when seeing your online doctor is wise before starting on any home remedies:
  • Very severe or frequent outbreaks
  • Spreading sores or symptoms of secondary infection (fever, pus)
  • Cold sores near your eyes
  • A compromised immune system

How Hola Health supports for cold sore

Hola Health make it more comfortable to manage cold sores from the comfort of your home. Our online doctors can provide consultations, prescribe medications if required, and advise you on effective home remedies to ease pain. If you're doubtful whether your symptoms are a cold sore or something else, our telehealth services can help you get the right diagnosis without the hassle of waiting rooms like clinics or hospitals. We also give secure online prescriptions and convenient follow-up care to support faster recovery and reduce the risk of recurring outbreaks.

FAQ

What natural remedies help with cold sores?

Aloe vera, honey, lysine, and ice packs can often help ease symptoms.

Can sun exposure in Australia trigger cold sores?

Yes, UV exposure is a common trigger here in Australia.

How long do cold sores last without treatment?

Usually 7–10 days.

Do cold sores always mean you have herpes?

Yes – they are caused by HSV-1, a common virus.

Are cold sores contagious even when healing?

Yes, until they are fully scabbed and healed.

What's the fastest way to heal a cold sore?

Using antiviral creams or tablets early gives the best results.

When should I see a doctor in Australia for cold sores?

If the sores are severe, frequent, or spreading to other areas.

Can I get a prescription for cold sore treatment online in Australia?

Yes, through telehealth GP services.

Consult for online scripts anytime

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Sent to your phone via SMS if approved

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Disclaimer

This blog is for general informational purposes only and does not indicate that Hola Health provides all treatments or preventive measures mentioned. It is not intended to be a substitute for professional medical advice. Always seek the guidance of your doctor or other qualified health professional with any questions you may have regarding your health or a medical condition. For emergencies please immediately contact 000. Any medical topics discussed are intended to educate, not to imply availability through Hola Health.

Note: At Hola Health, we're committed to offering trustworthy, accurate and up-to-date health information. Our Editorial Process entails thorough research, fact- checking, and medical review by doctors in diverse health fields, including medical practitioners, doctors, and psychotherapists based in Australia. We take guidance from qualified Australian doctors. We prioritise primary sources and avoid tertiary references wherever possible.

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We operate nationally
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Email: support@hola.health
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