Avoid physical contact with the active outbreak site and sharing items that come into contact with the mouth. Practise good health habits like washing hands frequently.
Medications will help by reducing the intensity and frequency of cold sores. There is no guarantee of any known medication today, that will prevent cold sores.
It is difficult to prevent cold sores; if you are infected, lower the stress on your body, such as not getting a cold or the flu, not getting enough sleep, or staying in the sun for long periods of time without applying sunblock.
You can take the chance if you like, but to be safe, don't do it. The virus that causes cold sores is very contagious when the sores are in evidence and for a period before they show. Best bet is to be cautious and don't chance spreading this painful affliction any more than you have to.
To treat cold sores at home, it is important to begin treatments at the first sign of a cold sore. You may not be able to prevent them, but early treatment can drastically reduce the severity of a cold sore. Lysine supplements can help to reduce cold sores. Avoid touching them, sharing cups or utensils, or kissing another person, to avoid spreading the virus. Often, cold sores appear with other illnesses, so treat those, too.
By covering your mouth with with the inside of your arm.
Amino acids are essential for the body to function properly, including in the development and treatment of cold sores. Certain amino acids, like lysine, can help prevent the replication of the virus that causes cold sores. Additionally, arginine, another amino acid, can trigger cold sore outbreaks. Therefore, maintaining a balance of these amino acids through diet or supplements can help manage and prevent cold sores.
Bactroban is not effective for viral cold sores.
Cold sores aren't airborne.
You don't get cold sores from the wind.
Cold sores are very contagious.
Cold sores are caused by a virus, and polysporin is not active against viruses, so it won't work for cold sores.
Cold sores aren't bad but they can be painful.