What should children do if their eyes are red after swimming?

First of all, let's see what happens when a child has acute conjunctivitis.

Children will rub their eyes frequently because of discomfort, itching, fear of light, tears, burning sensation and foreign body sensation, and there will be secretions.

According to the different infected microorganisms, it can be divided into viral conjunctivitis and bacterial conjunctivitis. How to judge?

It is usually the doctor's empirical treatment, without virus detection or bacterial culture. Generally speaking, if children with acute conjunctivitis are complicated with acute pharyngolaryngitis, 60% are infected by adenovirus, and 70% are infected by Haemophilus influenzae with acute otitis media. Adenovirus is common in autumn and Haemophilus influenzae is common in winter.

Does swimming increase the risk of viral infection?

The disinfection of swimming pools uses sodium hypochlorite to produce free chlorine to kill microorganisms. Free chlorine can kill adenovirus. So the disinfected swimming pool will not cause adenovirus infection.

Parents will ask again, what about highly contagious pink eye?

Pink eye disease, also known as acute hemorrhagic conjunctivitis, is mainly caused by enterovirus 70 and Coxsackie virus A24, both of which belong to enterovirus and spread through feces-mouth.

Parents should pay attention to the fact that enterovirus is resistant to antiviral drugs, so it is not necessary to use antiviral eye drops.

In addition, in the United States, ribavirin is not used to treat any ophthalmic virus infection. On the contrary, patients who take ribavirin orally to treat hepatitis C will have dry eyes, and 5% patients will have conjunctivitis.

(Manifestation of pink eye)

There were many outbreaks of pinkeye in Thailand (1992 and 20 14) and India (20 12). We can see that the climate characteristics of these countries are hot and humid.

Yes, enteroviruses like damp heat and are afraid of dryness. The survival rate of enterovirus 70 is very high, which is 3. Moreover, enterovirus is acid-resistant and needs high concentration of free chlorine to kill, while turbid swimming pool will reduce the inactivation effect.

Speaking of this, parents are a little worried. Can the child still swim? Sure！ Do you remember? The slogan at the entrance of the swimming pool, no pinkeye, curbed the spread of pinkeye from the source.

At present, there is no specific scientific experiment on disinfection and inactivation of enterovirus 70 and Coxsackie virus A24. However, we can refer to Enterovirus 7 1 and Coxsackievirus A 16, which are also enteroviruses. They are also very powerful and can cause hand, foot and mouth disease in children. Studies have shown that enterovirus 7 1 and Coxsackievirus A 16 can be completely inactivated and lose infectivity when exposed to 3 120 ppm sodium hypochlorite for 5 minutes.

What should I do if I get pink eye?

There is no cure. It is a self-limiting disease that will recover on its own. If you have discomfort such as dry eyes and tears, you can use artificial tears to help relieve the symptoms. Wash your hands frequently after infection. Hand sanitizer will kill enterovirus, so be careful not to infect others.

We often see news reports that the disinfection of a hotel swimming pool is unqualified, the total number of bacteria exceeds the standard, the residual chlorine exceeds the standard, and the urea exceeds the standard (urinating in the swimming pool).

Because the water cost of the whole swimming pool is several thousand yuan, frequent water change will increase the cost, and the total number of bacteria and urea will exceed the standard. Many businesses will adopt circular disinfection, and excessive sodium hypochlorite will cause excessive residual chlorine. Next, I will explain to you that swimming will not cause bacterial infection in children's eyes, but residual chlorine will bring eye irritation symptoms.

Why is acute conjunctivitis in children increasing?

According to a study in Taiwan Province Province, the significant increase in the number of school-age children with acute conjunctivitis is related to Asian sandstorms. Similarly, bacterial conjunctivitis is also a self-limiting disease, which can be relieved without treatment for 7 days, let alone oral antibiotics 6. But antibiotic eye drops can help kill bacteria, shorten the course of disease and reduce the duration of discomfort in children. In the first 2-5 days of bacterial conjunctivitis, antibiotic eye drops will exert the greatest bactericidal effect, so it needs to be used continuously for 7 days.

In children with acute bacterial conjunctivitis, the most common bacteria are Haemophilus influenzae and Streptococcus pneumoniae, accounting for 6-7%, 6 and 7% respectively. Moreover, both Haemophilus influenzae and Streptococcus pneumoniae live in the upper respiratory system of human beings, and only when the autoimmune system is weak will they multiply in large numbers, causing respiratory and eye infections. Swimming will just enhance children's adaptability to cold water and enhance their resistance.