Health Centres - Vectavir
How does it work?
Penciclovir is an antiviral medicine which is used to treat certain viral infections. It acts by preventing the production of viral genetic material (DNA), which is required for the reproduction and survival of the virus.
What is it used for?
Warning!
- This preparation is for external use only.
- Avoid contact of this medicine with the eyes and the moist membranes lining the inside of certain parts of the body, eg mouth, nasal passages (mucous membranes). Rinse with cold water if accidental contact occurs.
Use with caution in
- People whose immune systems have a decreased ability to fight infection and disease, eg due to diseases such as leukaemia, lymphoma, HIV infection or immunodeficiency syndromes
Not to be used in
- Children under 16 years of age
This medicine should not be used if you are allergic to one or any of its ingredients. Please inform your doctor or pharmacist if you have previously experienced such an allergy.
Pregnancy and Breastfeeding
Certain medicines should not be used during pregnancy or breastfeeding. However, other medicines may be safely used in pregnancy or breastfeeding providing the benefits to the mother outweigh the risks to the unborn baby. Always inform your doctor if you are pregnant or planning a pregnancy, before using any medicine.
- There is no information available about the safety of this medicine during pregnancy or breastfeeding. Seek medical advice from your doctor.
Side effects
Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.
- Stinging or burning at the area of application
- Numbness
The side effects listed above may not include all of the side effects reported by the drug's manufacturer.

