You may not always be able to prevent an outbreak of cold sores. The blisters and ulcers you get when you have an outbreak of cold sores are highly contagious, until they heal completely. The best prevention is to wash your hands frequently and avoid close contact with others. If you see your doctor while you are in an early stage of the disease, the doctor may be able to prescribe medications that can shorten the length of the outbreak. Medicine is a constantly changing science and not all therapies are clearly established.
New research changes drug and treatment therapies daily.
However, as medical science is constantly changing and human error is always possible , the authors, editors, and publisher or any other party involved with the publication of this article do not warrant the information in this article is accurate or complete, nor are they responsible for omissions or errors in the article or for the results of using this information. The reader should confirm the information in this article from other sources prior to use. In particular, all drug doses, indications, and contraindications should be confirmed in the package insert.