Young children who are infected with cold sores may refuse to eat or drink, and may develop a fever. Consult your pediatrician or healthcare provider if you are concerned about severe symptoms. Primary herpes outbreak may occur and can cause sores to develop throughout the mouth , lips and throat, and can even involve the eyes. People with primary herpes can suffer from secondary illnesses such as dehydration, fever, or severe upper respiratory infection. If you have a severe outbreak of sores on your lips, mouth or throat you should contact your health care provider.
Most cold sores heal on their own in a few days without treatment.
Treatments for severe cold sores are available in ointment and pill form. See your health care provider if you think your sores are severe enough for treatment. Ointments sold over the counter and at health food stores may help relieve the symptoms. The best method of prevention is frequent handwashing, especially after touching a sore. Clean mouthed toys daily or when soiled.