Use erythromycin ointment for mouth sores
Blisters in the mouth do not necessarily require the use of erythromycin ointment. Mouth blisters may result from various causes such as internal heat ("shang huo") or infection with the herpes simplex virus. It is recommended to maintain a light diet, strengthen physical exercise, and take appropriate heat-clearing or antiviral medications under a doctor's guidance.
1. Internal Heat ("Shang Huo")
When poor dietary habits lead to insufficient vitamin intake, or when spicy and irritating foods like chili peppers are frequently consumed, excessive internal heat may develop in the body, resulting in symptoms such as "shang huo" and oral blisters. These symptoms can be improved through dietary adjustments. A light diet not only effectively treats heat-induced mouth issues but also helps prevent future occurrences. Additionally, under medical supervision, one may supplement with vitamins or take medications that clear internal heat.
2. Herpes Simplex Virus
The herpes simplex virus is a type of enveloped DNA virus that primarily affects the skin, mucous membranes, and nervous tissue. When factors such as colds, fever, fatigue, lack of sleep, depression, or anxiety weaken the immune system, dormant herpes viruses in the body may rapidly multiply, leading to blister formation at the corners of the mouth and disease onset. In such cases, it is important to eat a light diet, exercise regularly, ensure adequate sleep, and follow a doctor’s advice in using antiviral treatments such as acyclovir cream. If scratching or ulceration occurs, there may be a secondary bacterial infection, in which case erythromycin ointment may be used in combination under medical supervision.
Since mouth blisters can arise from different causes such as internal heat or herpes simplex virus infection, erythromycin ointment is not always necessary. It is recommended to maintain a light diet, enhance physical activity, and visit a hospital for proper diagnosis and individualized treatment based on specific conditions.