Mainly due to virus, bacterial infection, seasonal, temperature changes will become the cause of the disease, bad habits can also lead to lips blister.
Disease factor
The etiology can be roughly divided into the following categories.
Viral infection
Human herpesvirus 1
Can be divided into the first hair type and recurrence, the first hair type common in children, recurrent common in adults and adolescents, is the primary infection subsided, in the incentive stimulus, in the same part of repeated attacks.
It is characterized by spontaneous burning at the early stage of the attack, followed by erythema, clustered papules and vesicles, which may fuse with each other. After a few days, the vesicles break and ulcerate, form erosions, scab and then heal, leaving no scar and lasting from 1 to 2 weeks.
Hand, foot and mouth disease
Most of the cases were in children under 5 years old, which were caused by different types of enterovirus infection. Most of the cases were located in the mucosa of mouth, tongue and cheek.
Bacterial infection
Blisters on the lips are often caused by an infection of Staphylococcus aureus or streptococcus haemolyticus, which begins as a red blotch or papule and can quickly turn into a pustule. There is redness around the lip, which is easy to break, and often the pustule spreads or fuses due to itching or scratching, systemic symptoms may occur when the infection is severe.
Traumatic blistering
Is mainly subjected to violence, injuries caused by blistering lips, such as: repeated friction of lips, diet caused by high temperature and other reasons.
Allergic reaction
Lips from allergy is often contact with specific food, drugs and so on, blisters more quickly, may be accompanied by other contact parts have allergic reactions, in taking anti-allergy drugs or not in contact with the allergen can quickly eliminate symptoms.
Nutrient deficiency
Some nutrient deficiencies can also cause blistering, but more common in young children, such as B2, B3 vitamin deficiency can lead to blistering lips or mouth inflammation and other symptoms.
Depending on the population, the cause may be different.
Blisters on the lips of young children
Viral infection
For example, Human herpesvirus 1 are most common in children between 1 and 5 years of age, and their immune systems are not perfect, so the extent and degree of viral infection are wider and more dangerous than that of adults.
Blistering in children is not limited to the lips, but also may be oral, conjunctival pharynx, and so on. If it is a newborn infection can appear high fever, dyspnea, jaundice, hepatosplenomegaly, disturbance of consciousness and even life-threatening.
Bacterial infection
Staphylococcus aureus, followed by type B streptococcus haemolyticus, commonly found in children under 5 years old, has a certain infectious, can occur in nursery, kindergarten epidemic.
Traumatic
The probability of occurrence of common young children is higher, the child is lively, easy to be hit by scald or food cause lip blister.
Allergies
Because young children do not have a clear awareness to avoid allergens, it is possible to eat or contact with allergens can cause allergies to cause corresponding symptoms.
Nutrient deficiency
Children can be picky, growth too fast due to a lack of some elements, leading to blistering lips.
Blisters on adult lips
Virus
The most common recurrent type of herpes virus, the onset of the site is often confined to the same location, due to adult immunity, most do not have other symptoms, often within a period of time self-healing.
Allergies
Adults who have been exposed to allergens or to medications may develop blisters on their lips.
Drug Factor
Drug allergy is likely to cause the lips blister, allergy when the eruption is generally systemic multiple blisters, and more blisters, blisters fluid volume, can not be specific.
Environmental Factor
Temperature changes, especially into the winter may appear lips blistering, because the change of the season causes the body not to adapt, caused by low immunity.
Lifestyle
Bad lifestyle is often the cause of lips blister, such as staying up late, excessive fatigue, mental stress and so on can reduce the body immunity caused by virus activity, growth and reproduction, causing repeated outbreaks of herpes.
Account not verified