Lip Issues: Hand, Foot, and Mouth Disease vs. Herpes - Dermatology

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Lip issues


Q1: Can enterovirus occur on the lips? (Specifically, I mean the area just above the gums on the lips.) In simple terms, when I open my lips...
a friend mentioned it might be enterovirus, so I looked up a lot of information online and found that enterovirus in the oral cavity typically occurs only on the hard palate and throat.
I'm not sure if that's true, so I wanted to ask.
Currently, I have no plans to see a dermatologist; whenever I have sores in my mouth, I just assume it's due to heat or biting myself and let it heal on its own.
Q2: I know herpes can occur on the lips; can it also appear on the inside of the lips? (Referring to the location mentioned in Q1.) I already have herpes, but it only appears at the corners of my mouth.
Q3: I heard from a friend that if you have mouth sores, you should rinse with saltwater or even apply salt directly to the sores.
Is this effective for killing bacteria or something similar? Is it safe to do this?

Lan, 10~19 year old female. Ask Date: 2010/12/29

Dr. Huang Ruiyun reply Dermatology


Hello: 1.
The recurrent mouth sores are not caused by enterovirus.
2.
The recurrent lesions are less likely to occur in the area inside the lips.
3.
It’s better to use commercially available mouthwash.
Applying salt is too harsh on oneself.
Wishing you safety.

Reply Date: 2010/12/29

More Info


Understanding the differences between Hand, Foot, and Mouth Disease (HFMD) and herpes, particularly in relation to lip issues, requires a nuanced understanding of both conditions and their manifestations.

Q1: Can enteroviruses occur on the lips?
Enteroviruses, including those that cause Hand, Foot, and Mouth Disease, primarily affect the oral cavity, particularly the soft palate and throat. While it is less common for enteroviruses to manifest directly on the lips, it is not entirely impossible. The lesions associated with HFMD typically appear as painful sores or ulcers in the mouth and may also present on the hands and feet. If you are experiencing sores on your lips, it is essential to consider other potential causes, such as herpes simplex virus (HSV), which is more commonly associated with lip lesions.

Q2: Can herpes occur inside the lips?
Herpes simplex virus can indeed cause lesions on the lips and inside the oral cavity. While many people experience cold sores at the corners of the mouth, the virus can also lead to sores on the inner surfaces of the lips. These lesions often appear as painful blisters that eventually crust over. If you have a history of herpes, it is plausible that the sores you are experiencing could be related to this virus, especially if they are recurrent.

Q3: Is it advisable to use saltwater for mouth sores?
Using saltwater as a mouth rinse can be beneficial for oral sores, including those caused by herpes or other irritations. Saltwater can help reduce inflammation, promote healing, and may have mild antibacterial properties. However, it is essential to be cautious, as excessive salt can irritate the mucous membranes further. A mild saline solution (1 teaspoon of salt in a cup of warm water) can be used for rinsing, but it should not be a substitute for medical treatment if the sores are persistent or severe.


Additional Considerations:
1. Diagnosis: If you are experiencing recurrent sores, it may be beneficial to consult a healthcare provider for a proper diagnosis. They can differentiate between herpes simplex and other potential causes of oral lesions, including enteroviruses.

2. Treatment Options: For herpes simplex, antiviral medications such as acyclovir can be prescribed to reduce the severity and duration of outbreaks. Over-the-counter topical treatments may also provide relief from discomfort.

3. Prevention: Maintaining good oral hygiene, avoiding known triggers (such as stress or certain foods), and managing outbreaks promptly can help reduce the frequency of sores. If you have a history of herpes, consider discussing preventive strategies with your healthcare provider.

4. When to Seek Help: If you notice any unusual symptoms, such as fever, swollen lymph nodes, or if the sores do not heal within a week, it is crucial to seek medical attention. These could be signs of a more serious condition that requires intervention.

In summary, while enteroviruses primarily affect the throat and soft palate, herpes simplex can manifest on the lips and inside the mouth. Saltwater rinses can be a helpful home remedy, but persistent or severe symptoms warrant a visit to a healthcare professional for accurate diagnosis and treatment.

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