Why are the corners of my mouth swollen?
Swelling at the corners of the mouth is a common oral problem that can be caused by a variety of reasons. Among the hot topics on the Internet recently, discussions about health issues have become more popular, especially those related to oral health. This article will combine the hot content of the past 10 days to analyze in detail the causes, symptoms and treatment methods of swelling at the corners of the mouth, and provide structured data for reference.
1. Common causes of swelling at the corners of the mouth

There are many causes of swelling at the corners of the mouth, but here are some common possibilities:
| Reason | Description |
|---|---|
| Angular stomatitis | Commonly known as "bad corners of the mouth", it is mostly caused by bacterial or fungal infection and manifests as redness, swelling and cracks in the corners of the mouth. |
| allergic reaction | After contact with allergens (such as food, cosmetics), swelling and itching may occur at the corners of the mouth. |
| herpes virus infection | Herpes simplex virus (HSV) infection can cause blistering, swelling and pain at the corners of the mouth. |
| Trauma or friction | Biting, rubbing, or excessive licking of the corners of the mouth may cause localized swelling. |
| nutritional deficiencies | A lack of vitamin B2 (riboflavin) or iron may cause angular stomatitis. |
2. Symptoms associated with swelling at the corners of the mouth
According to recent health discussions, swelling at the corners of the mouth is often accompanied by the following symptoms:
| Symptoms | Possible reasons |
|---|---|
| redness, swelling, pain | Angular stomatitis, herpes virus infection |
| Cracks or bleeding | Angular stomatitis, nutritional deficiencies |
| itching or burning sensation | Allergic reactions, herpes virus infections |
| Blistering or crusting | herpes virus infection |
3. How to relieve swelling at the corners of the mouth
For swollen corners of the mouth, recent popular health suggestions include the following methods:
| method | Applicable situations |
|---|---|
| Keep your mouth clean | All types of swelling at the corners of the mouth, especially those caused by infection. |
| Use antifungal or antibacterial ointments | Angular stomatitis (doctor's guidance required). |
| Avoid licking the corners of your mouth | Prevent further irritation or infection. |
| Supplement vitamin B2 and iron | Angular stomatitis caused by nutritional deficiencies. |
| Apply cold compresses to relieve swelling | Swelling caused by trauma or allergies. |
4. When Do You Need Medical Treatment?
According to recent advice from medical experts, you should seek medical treatment promptly in the following situations:
1. The swelling at the corners of the mouth persists for more than a week and does not improve.
2. Accompanied by systemic symptoms such as fever and swollen lymph nodes.
3. Recurrent mouth herpes or angular stomatitis.
4. Swelling seriously affects eating or speaking.
5. Tips to prevent swelling at the corners of the mouth
Combined with the hot topic of healthy living on the Internet, you can pay attention to the following points to prevent swelling of the corners of the mouth:
1.A balanced diet:Eat more foods rich in vitamin B2 (such as milk, eggs, green leafy vegetables).
2.Maintain oral hygiene:Rinse your mouth after meals to avoid bacterial growth.
3.Avoid excessive lip licking:The evaporation of saliva takes away moisture, causing the corners of the mouth to become dry and cracked.
4.Use lip balm:Choose products without harsh ingredients to keep your lips moisturized.
5.Managing stress:Stress can trigger a herpes virus infection.
6. Recent hot topics
According to the Internet popularity monitoring in the past 10 days, the following health topics are related to swelling of the corners of the mouth:
| topic | heat index |
|---|---|
| Angular stomatitis is more common in winter | ★★★☆☆ |
| Herpes Virus Home Care | ★★★★☆ |
| Warning signs of vitamin deficiency | ★★★★★ |
| How to deal with allergies | ★★★☆☆ |
Although swelling at the corners of the mouth is a minor problem, it may affect your quality of life. This problem can be effectively dealt with by understanding the causes, treating symptoms, and taking prevention measures. If symptoms persist or worsen, it is recommended to consult a professional doctor in time.
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