Cold Sore Treatment Online

About cold sores

Cold sores are small, painful blisters around the lips or mouth, usually caused by herpes simplex virus type 1 (HSV-1). They typically heal in 7 to 10 days. Triggers include stress, illness, sun exposure, and tiredness.

Early treatment with antivirals, ideally at the tingling stage, may shorten duration for some people. Over-the-counter creams are also available from pharmacies.

How a telehealth GP can help

A NewDoc GP can review your symptoms, prescribe antivirals if clinically appropriate, and advise on prevention strategies. Recurrent or severe outbreaks may warrant further assessment.

Risk factors and common triggers

Once HSV-1 is acquired, it remains in the body and can reactivate at times of reduced immunity or stress. Common triggers include emotional stress, physical illness (such as a cold or flu), tiredness, menstruation, and ultraviolet light exposure from the sun or tanning beds.

People who are immunocompromised, who are pregnant, or who have conditions such as atopic dermatitis (eczema) may experience more frequent or severe outbreaks. Keeping a short trigger diary can help you and your GP identify patterns that may be contributing to recurrences.

Treatment options for cold sores

Management is individualised. For mild, infrequent outbreaks, over-the-counter topical antivirals and symptomatic care may be sufficient. Where outbreaks are more severe or frequent, your GP may prescribe an oral antiviral medication, which tends to be more effective when started at the first tingling sign of an outbreak.

People with frequent recurrences may benefit from a discussion about suppressive therapy, which involves taking a lower-dose antiviral daily. Your GP will consider your overall health, how often outbreaks occur, and whether specialist input such as a dermatologist referral is appropriate.

When to see a specialist about cold sores

Most cold sores are managed by a GP, but specialist input may be helpful in some situations. Frequent, severe, or atypical outbreaks may warrant a dermatologist referral for further evaluation. People who are pregnant, immunocompromised, or who have cold sores near the eye may need prompt review by an appropriate specialist.

If there is concern about a herpes simplex infection affecting other parts of the body, or if recurrent lesions are not healing as expected, your GP will coordinate further investigation. In complex or immunocompromised cases, infectious diseases input may be considered.

Tips for managing cold sores

Practical self-care measures may help reduce discomfort and limit spread. Try to avoid touching the affected area, wash your hands after applying any cream, and avoid sharing utensils, lip balms, or towels while the sore is active. Cold sores are contagious from the tingling stage until the lesion has fully crusted and healed.

Using a lip balm with SPF can help reduce sun-triggered outbreaks. Managing stress through sleep, regular exercise, and relaxation strategies may also help reduce flare-ups. Drink adequate fluids and eat soft foods if the lesion is painful.

Kissing, oral sex, and close facial contact should be avoided while a cold sore is active to reduce the risk of transmission to others, particularly infants, pregnant women, and immunocompromised people. If you are unsure about a recurring lesion that is not healing, your GP can review it and arrange follow-up if needed.