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Fenistil Cold Sore Cream 2g

Please note images are for illustration purposes only and may differ from the product(s) you receive

Fenistil Cold Sore Cream 2g

Fenistil Cold Sore Cream is a clinically proven treatment for cold sores on the lips and around the mouth.
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This is a pharmacy only medicine. To allow our pharmacist to ensure it is appropriate for you to use we will ask you to complete a short questionnaire after the checkout.  

Please note that failure to answer pharmacy questions may result in delays with your order.

Pharmacy only items are not suitable for express delivery as they need to be checked by our pharmacist.  


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Fenistil Cold Sore Cream is for the treatment of cold sores caused by a viral infection (herpes labialis). When used as early as possible at the first sign of a cold sore developing it can speed up healing and reduce the duration of pain. The virus can remain inactive for extended periods of time, but when triggered the virus multiplies and a cold sore develops. Cold sores often occur when a person has a cold, but other stress factors can also bring them on e.g. trauma, emotional distress, stomach upsets, periods, even too much sun.


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Active ingredient: Penciclovir 10mg in each gram of the cream. Other ingredients: white soft paraffin, liquid paraffin, cetostearyl alcohol, propylene glycol, cetomacrogol 1000, purified water.


Suitable for adults and children aged 12 years and over. Treatment should be started as early as possible after the first sign of an infection. Apply cream at approximately 2 hourly intervals throughout the day (approximately 8 times a day) for 4 days.


Some people may get burning, stinging, or numbness when the cream is applied. The effects will usually go away quickly. Some people have also reported allergic-type reactions such as allergic dermatitis, rash, hives, itching and swelling. If you experience any of the above discontinue use. Particular care should be taken to avoid application in or near the eyes.

Delivery & Returns

Standard Delivery

Standard UK delivery is £2.90* 

We aim to deliver orders within 3-5 working days to the shipping address provided by you in your order if the shipping address is in the UK.  For orders being delivered outside mainland UK, this will be longer and we cannot give a guaranteed delivery time due to the differences between carriers. Delivery timescales are estimates only. If you do not receive your order within 14 days of us confirming your order has been sent you must notify us and we will investigate the non-delivery provided. Orders from outside the UK have varied delivery charges, depending on the particular country.  Please note that in some instances you may be required to answer product related questions from our Pharmacist as part of the checkout process.  Failiure to answer these will cause delays.  Please allow extra time for Pharmacy approved products.  Please note that Bank Holidays do not count as working days.

Delivery charges for orders outside the UK will vary. *Northern Ireland delivery charges different

Express UK Delivery

Express UK delivery is £5.99*

Please note that Express delivery is only available on orders placed before 1pm (GMT) Monday to Friday in the UK.  After 1pm we cannot guarantee express delivery, even if it has been selected.  Please note that this is not a guaranteed next day service, but is an expedited delivery option.  Products which need to be approved by a pharmacist are not suitable for express delivery.

*Northern Ireland delivery charges different

Free Delivery on orders over £40*

This applies to orders delivered to UK addresses only.  *Exclusions may apply.


We hope you will be happy with any items you’ve ordered from us, but if you’re not entirely satisfied, you’ll find details of our returns policy on the link below.

Delivery outside of the EU

Please note that certain medicines and medical devices sold on this website cannot be purchased if you live outside of the European Union.


Please visit our Delivery & Returns page for more information.