Before using penciclovir

Before using penciclovir make sure your doctor, dentist or pharmacist knows:

• If you are pregnant.
• If your immune system is not working properly (for instance if you have AIDS).
• If you are taking other medicines, including those available to buy without a prescription, herbal or complementary medicines.
• If you have ever had an allergic reaction to this or any other medicine.

• This cream is not suitable for children under 12 years of age.

How to apply penciclovir

• Before beginning treatment, read the manufacturer's printed information leaflet.
• Use penciclovir exactly as directed by your doctor or dentist.
• Wash and dry your hands thoroughly before and after handling penciclovir to prevent spreading any infection.
• Apply penciclovir cream every two hours whilst you are awake. Start using it at the first signs of an attack (for instance, tingling, pain, burning or blisters) and continue using it for 4 days.
• If you forget a dose, apply it as soon as you remember and then continue using it at the usual times.

Getting the most from your treatment

• Keep the areas affected by the cold sore as clean and dry as possible.
• Apply penciclovir for 4 days, otherwise your infection may come back.
• Avoid contact with the eyes. If any of this preparation gets into your eyes, rinse it off with warm water.
• Avoid contact with mucous membranes (inside the nose or mouth).
• If you regularly develop cold sores, or if they develop in your mouth, speak to your doctor as other preparations may be more suitable for you to use.
• If you are having any treatment like an operation or dental treatment, tell the person carrying out the treatment which medicines you are taking or using.

Can penciclovir cause problems?

Along with their useful effects all medicines can cause unwanted side effects which usually improve as your body adjusts to the new medicine. Speak with your doctor or pharmacist if any of the following side effects continue or become troublesome.

If you experience any other symptoms which you think may be due to this medicine, speak with your doctor or pharmacist.

How to store penciclovir

• Keep all medicines out of the reach and sight of children.
• Store in a cool, dry place, away from direct heat and light.

Important information about all medicines