If there are small blisters on the corner of the mouth, it will not only cause discomfort, but also affect the mood Be careful you could get “cold sores”. At least 1/4 of people in Taiwan have had cold sores Cold sores are itchy and painful, and they often happen again and again, especially when staying up late and stressing, which lead to a weakened immune system.
Causes and symptoms of cold sores?
Cold sores are caused by the herpes simplex virus (HSV). The incubation period is about 2 to 10 days. The herpes virus can cause lesions on the skin and mucous membranes anywhere in the human body. Common herpes viruses are divided into type 1 and type 2. Herpes virus type 1 infects mainly near the lips, while herpes virus type 2 is more common to cause genital herpes.
After the herpes virus enters the skin, it will begin to replicate and cause blisters and ulcers. At the same time, it will hide in the sensory ganglia along the sensory nerves of the skin and become a latent infection. When the patient’s immunity declines, or due to some unknown factors, the herpes virus will break out of the latent state, become active again, and return to the skin along the sensory nerve to begin rapid replication, causing symptoms such as blisters and ulcers again. .
Pan Qiyue, director of the Department of Dermatology at Zhongxing United Medicine Hospital, said that once infected with the herpes virus, it will be hidden and cyclical for life and around the nostrils. When the face is exposed to excessive sunlight, or when the skin on the face pulls too much and rubs, such as blowing the nose too much during a cold, cold sores may also be caused by around the nostrils.
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Cold sores are hard to cure!How to treat?
Herpes simplex virus infection is not lifelong immunity, and there is still no vaccine to prevent it. In patients with multiple cases of herpes simplex infection, cancer or low immunity, oral antiviral therapy can be considered if there are no contraindications, but clinically most patients have mild symptoms of local skin or mucosal lesions, you can consider using a topical antiviral ointment to reduce the course of the disease and improve symptoms.
Du Weiting, chief physician of the Dermatology Department of Chengda University Hospital, said that if cold sores have symptoms or recurrent attacks, oral antiviral drugs are usually recommended for treatment. As long as the dose is adjusted according to renal function , the safety of such drugs is quite high. During the early stage of herpes Or when the blisters are not present yet, the severity of the blisters and the duration of the disease can be reduced.
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do 3Things to Prevent Cold Sores care 1Be careful not to leave scars
Wang Xiangya, an expert in plastic surgery, said that if the infected cold sore is not kept clean and removed by hands, it may cause the skin to break, which will cause local infection and leave scars around the lips. Therefore, it is essential to maintain cleanliness when dealing with wounds.
The doctor also reminds that cold sores can appear when the immune system weakens, or staying up late or under stress Being exposed to the sun can prevent cold sores from coming to your door.
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◎ Image source/Provided by Dazhi Image/shutterstock
◎ News Source/TVBS
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