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Stress is a common trigger for cold sore outbreaks. Explore more images of various skin conditions.
©iStockphoto.com/BudgetStockPhotoCold sores often appear at the most inconvenient moments. Whether you're anxious about a work presentation or nervous about a first date, you might notice a tingling and burning sensation on your lip. This is followed by a firm, pimple-like bump beneath the skin. Unlike a pimple, this is the onset of a cold sore.
Many people experience this issue. Between 15 to 30 percent of the population deals with cold sores, also known as fever blisters [source: McKinley]. Initial symptoms are followed by red blisters around the lips. These blisters eventually burst, releasing fluid and forming scabs. Symptoms may also include fever, throat pain, mouth discomfort, or swollen neck lymph nodes [source: Web MD].
Cold sores are often unattractive and can cause discomfort. As detailed on the following page, they stem from the same virus responsible for genital herpes. Transmission can occur through sexual contact, which sometimes leads to embarrassment due to the associated stigma. However, the virus is equally transmissible via saliva, making this stigma largely unfounded [source: Mayo Clinic]. Currently, there is no cure for the virus, and sufferers typically endure several outbreaks annually [source: McKinley]. Fortunately, there are methods to minimize their frequency.
Continue reading to discover how cold sores transmit between individuals, the common triggers for outbreaks, and effective treatments to eliminate them once they emerge.
Cold Sore Causes
The herpes simplex virus (HSV) is the culprit behind cold sores, targeting both the skin and nervous system [source: McKinley]. There are two primary strains: HSV-1, typically causing cold sores, and HSV-2, usually linked to genital herpes. However, both strains can lead to sores in either location [source: Mayo Clinic].
Cold sores develop when HSV transfers from an infected to an uninfected individual. The virus is present in the fluid from sores or blisters and spreads through direct contact or saliva. Transmission can occur via shared utensils, razors, towels, kissing, or touching the affected area. Sexual contact is another common transmission route [source: Mayo Clinic].
After contracting HSV, individuals often experience cold sore recurrences several times annually. Specific triggers, such as excessive sun exposure, stress, fatigue, food allergies, and hormonal fluctuations—especially in women during menstruation—can provoke outbreaks. Lip or gum injuries, dental procedures, or weakened immune systems also increase the likelihood of severe and frequent cold sores [source: Web MD].
Explore various methods to eliminate cold sores in the following section.
Cold sores are often mistaken for canker sores, which are small, non-contagious ulcers inside the mouth. Both conditions share symptoms like tingling, burning, and pain, and can result from mouth irritation or certain foods. However, canker sores are confined to the mouth and heal within two weeks, with pain subsiding in a few days [source: WebMD].
How to Get Rid of Cold Sores
Cold sores and the herpes simplex virus have no cure, remaining in the body for life. While outbreaks cannot be entirely prevented, they typically heal on their own within a few days to two weeks [source: WebMD].
Several therapies exist to alleviate cold sore symptoms and accelerate healing. Initial outbreaks can be managed with over-the-counter medications that reduce discomfort and speed recovery. For frequent sufferers, doctors may prescribe oral medications to decrease outbreak frequency. Those with compromised immune systems might also receive antibiotics to prevent HSV-related complications [source: WebMD].
For additional details on managing cold sores, refer to Treating Cold Sores: Fast Facts.
While preventing cold sores entirely isn't possible, certain strategies can minimize triggers. For instance, using sunscreen or lip balm in direct sunlight is essential. Stress management, regular exercise, and adequate sleep also help reduce outbreak frequency [source: McKinley].
To ease cold sore discomfort, apply a cold, damp towel to the affected area for 20 minutes, three times daily, to reduce redness and swelling. Rinsing the mouth with baking soda can alleviate pain, while avoiding acidic foods prevents further irritation. Over-the-counter products like Anbesol can also numb sore spots on the lips [source: WebMD].
Internet rumors have falsely connected the drinking game "beer pong" to the spread of the Herpes Simplex Virus. Despite claims, the Centers for Disease Control and Prevention (CDC) confirmed on February 26, 2009, that no such study linking the game to the virus exists, debunking the hoax [source: Centers for Disease Control and Prevention].
