Our expert says:
It is caused by the Herpes virus. If it is the first time, you can use something like spirits of campher to dry it and use acyclovir cream to kill the virus. If it comes back repeatedly you'll have to get a prescription from a doctor for a antiviral tablet to take.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.