Cold sores, also known as fever blisters, are small blisters around your mouth as a result of the Herpes simplex virus. Episodes of the cold sores last no longer than 2 weeks. Cold sores cannot be cured. However, early treatment can help relieve some symptoms and lead to faster recovery.
Cold sores typically take about 1 to 3 weeks on their own. Common Treatments may include:
Antiviral topical ointments (such as acyclovir and penciclovir)
Antiviral oral medications (such as acyclovir, famciclovir, and valacyclovir)
Over-the-counter topical anesthetics or anti-inflammatory agents may help with symptoms
Antiviral medications may help speed the healing process, but are usually not recommended for otherwise healthy people. Also, they need to be started within 3 days of seeing the first blister.
Over-the-counter cold sore ointments docosanol (Abreva) and Zilactin have been shown to shorten the healing time of a cold sore. At the first sign of symptoms, apply it to the affected skin as directed on the package.
To ease the discomfort of a cold sore:
Try other cold sore remedies. Some over-the-counter preparations contain a drying agent, such as alcohol, that may speed healing.
Balms & Creams: Protect your lips from the sun with a zinc oxide cream or lip balm with sunblock. If your lips become dry, apply a moisturizing cream.
Apply a cool compress: Ice or a cool, damp cloth may reduce redness, help remove crusting and promote healing. Place ice on the sores 3 times a day for 20 minutes each time.
Apply pain-relieving creams: Over-the-counter creams with numbing agents like lidocaine or benzocaine may offer temporary pain relief.
Hydrogen peroxide and rubbing alcohol: Both can be used to keep cold sores clean.
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