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Although it isn’t dangerous, herpes labialis remains inconvenient! Here are a few tips to avoid the unpleasantness of cold sores.
Cold sores (also called “herpes labialis” in medical terms) are caused by the presence of a virus in the body: herpes simplex virus type 1 (HSV-1). According to the World Health Organization, it is estimated that 67% of people under the age of 50 are affected by HSV-1. Although it is very often contracted during childhood, this highly contagious virus can also be contracted later in life.
After infection, the virus remains "latent" and can periodically recur if a person is exposed to certain triggers. It is estimated that roughly 1 out of 4 people have recurrences of herpes labialis. Therefore, it can be said that many people are unknowingly carriers of the virus.
Among the factors that can trigger a cold sore outbreak we find the following:
Herpes labialis outbreaks, characterized by the eruption of a lesion, are usually preceded by certain warning signs. A cold sore generally lasts between 8 and 10 days in total (14 days maximum). Here is a description of the various stages of a cold sore:
Days 1–2: The tingle stageBefore any visible symptoms appear, a tingle, itch or burning sensation may be felt. This stage lasts about six hours. The infection is already at this stage, so it is important to avoid close physical contact.
Days 2–4: The blister stageThe blister appears. A group of small painful lumps multiply or become enlarged. White blood cells travel to the blister and fight the infection. The cold sore filled with vesicle fluid (pus), contains millions of virus particles. Herpes is very contagious during this stage.
Day 4: The ulcer stageDuring the ulcer stage (typically the most painful), you will notice a shallow, cold sore develop. Inflammation can also cause a red ring around the affected area.
Days 5–8: The crusting stageAs the cold sore dries out, a golden-brown crust appears on the ulcer site. As the scab hardens, painful fissures may appear and bleed. Significant itching or burning is also common.
Days 8–10: The healing stageAs the cold sore heals and the scab begins to detach, some dry scaling and residual swelling may be experienced. The skin may also remain slightly pink or red.
HSV-1 is usually transmitted through close physical contact, such as kissing. It can also spread through contaminated objects, such as utensils, a straw, lipstick, etc. If someone close to you has a cold sore, use caution to avoid being contaminated.
Frequent handwashing can help to prevent contracting the virus, including HSV-1.
If you are prone to cold sores, here are ways to prevent their appearance:
There is currently no treatment available to permanently eliminate the HSV-1 infection. Fortunately, cold sores heal on their own over time. Prescribed or over-the-counter treatments help to reduce their intensity and duration. These medications come in topical (ointment or cream) or tablet format.
Beginning treatment in the first days following the onset of a cold sore and ideally as soon as warning signs appear (such as a tingling sensation) significantly improves the chances of reducing the intensity and duration of the symptoms of herpes labialis.
If you have any questions regarding cold sores or their treatment, don’t hesitate to speak to your pharmacist, who can offer you advice.
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