Why do lice grow? What causes lice

Lice are a kind of parasite that parasitizes animals and feeds on blood, and people have more contact with animals, so they have the opportunity to have lice, so pay more attention to personal hygiene. Adults and nymphs of lice suck blood on the host for life.

What should I do if I get lice on my head?

Wash your head with shampoo first, rub some on your head with vinegar, rub it constantly, then put on a shower cap, cover it for about 15 minutes, then rinse it with water, and wash it again with shampoo.

Used fashion towels, ** and other items need to be often taken to the sun to dry; The corners of the bed and the corners of the house should be cleaned.

Then with the use of lice removal products, you can use Yujin Shile essence cream, this is not ***, just use it for 5 days.

Use high temperature to kill lice, so when lice are found, we can kill the adult lice at 65 degrees Celsius, as long as 15 to 30 minutes have passed. There is also a drug fumigation, drug fumigation, we can not use it casually, it needs to be carried out under the guidance of experts, in addition to traditional Chinese medicine, the hundred parts of traditional Chinese medicine have a good insecticidal effect on lice, and often use the hundred parts of the alcohol soaked after the hundred infusion, the effect of killing lice is very good.

The head lice is a small gray-brown insect that can easily be passed from one person to another. Children often lice at school by sharing combs and hair brushes with others.

Lice (nit eggs) can be found on the hair shaft of the patient, and the lice themselves cling to the scalp and suck blood from the scalp, often causing itching and infection. A variety of pharmacies are available from pharmacies to kill head lice, and these preparations often contain benzyl carbamate, pyrethroids or hexachlorocyclohexane. After the application, a fine grate comb should be used to remove lice and dead lice.

Pediculicide medications may be given several times, and other family members should receive the same**. If over-the-counter lice control medications don't work, you should see your doctor.

There is also the issue of hygiene, be sure to wash your hair often.

Lice live by sucking blood and are parasitic outside the body. It is also the main source and vector of the disease in puppies and adult dogs, which affects the health of dogs. Domestic dogs must always be on the lookout for lice.

If the puppy has lice, you can use a kind of dog lice water, when the puppy is wet washed, after rinsing the conditioner and water, apply it to the dog's hair, however, the dog lice water should be diluted in the ratio of one tablespoon to 12 liters of water. Do not rinse with water after applying, and the medicinal power will infiltrate the fur to achieve the prevention and control effect. Some puppies should not be wet washed, like Pekingese.

These long-haired puppies can be sprayed or powdered. First, comb the hair in reverse from the tail to the head, and then spray the spray directly onto the fur all over the body, about 15 to 20 cm, to avoid spraying the eyes and mouth. Usually 8 seconds of spraying evenly is sufficient.

If the weight is less than 3 kg, spray for only a few seconds. If you use powder, you should also comb the hair backwards first, sprinkle it evenly on the fur, and comb it off after half an hour. During this time, the puppy should be watched and not allowed to lick the powder on its body.

There are also people who have tried using yeast tablets. For every 10-pound dog, yeast powder can be added to food every day, which can also play a role in preventing lice.

Lice Adults and nymphs of lice suck blood on the host for life. The hosts are mainly terrestrial mammals, a few are marine mammals, and humans are often parasitized.

Lice are not only harmful to blood sucking, but also make the host itchy and uneasy, and can transmit many important human and animal diseases. Relapsing fever, transmitted by lice, is a worldwide disease, and the causative agent of this disease is a spirochete. Lice have a lifespan of about six weeks, and each female lays about ten eggs a day, which adhere firmly to human hair or clothing.

After about eight days, the small lice hatch and immediately bite and suck blood. After about two or three weeks, it can grow into an adult worm through three molts. Lice live a parasitic life all their lives.

People can spread to each other through contact. The spread of relapsing fever is that after it bites, the bitten part is very itchy, and when people scratch hard, they will squeeze the lice out, and the pathogens in its body fluids will be brought into the bite wound with the scratching, and people will get sick. The best way to combat relapsing fever is to eradicate lice; If we often bathe with hot water and soap, change clothes frequently, and pay attention to environmental hygiene, we will not get lice on our bodies.

If lice have already grown, they can be killed with medication. Clothes with lice can be boiled in boiling water. If there are lice in the hair, shave the hair.

One. Pay attention to personal hygiene.

The most important reason for lice is that you do not pay attention to personal hygiene, wash your hair frequently, try to get as little rain as possible, and when washing your hair, try not to only get wet with water, you can rub it with your hands, and then wash your hair with water, it is recommended to wash your hair at least twice a week.

Two. Don't keep your hair too long.

If you are a child and have been following your grandparents for a long time, it is recommended that parents do not let them have too long hair, so that the probability of lice will be lower.

Three. Wash laundry at home.

When a child has lice on his head, he can take out everything in the house and wash it, and it is best to soak it in hot water, so as to avoid the regurgitation of lice.

Four. Go to a regular pharmacy and buy medicine to kill.

The reproduction rate of lice is very fast, if you want to get rid of it, you must prevent it fundamentally, at this time, do not buy medicine to get rid of lice, you can go to the pharmacy for consultation, buy less harmful medicine home to get rid of lice.

Five. Use vinegar to remove lice.

If you are worried that the drug will cause great harm to the body, you can also choose to wash your hair with vinegar at this time, according to the ratio of 1:1, and wipe the prepared vinegar water on the scalp after washing your hair.

Six. Grate. This is the easiest and quickest way, go directly to buy a grate, comb it from head to tail, you will find that the head lice are combed off, and then remember to strangle it with your hands.

Also, you can put a few blank sheets of paper on the ground, because when combing, head lice may fall on the ground.

Seven. with vinegar. Lice are not the most terrible, eggs are the most terrifying, it is extremely sticky, and it cannot be sieved off with a grate, so you can wipe your hair with vinegar first, don't let go of each one, and then stuff it with a shower cap for about an hour, and then use a grate comb, it is best to wash your hair with water and dry it, you will find that you have combed off some lice eggs.

But this one should be insisted on, and after a few days, it can basically be removed.

What do lice look like?

Long lice, belonging to the subfamily of vampire lice, also known as flea lice, are a parasite commonly found in people and animals, which is parasitic on the surface of ** and feeds on the blood of the host.

So, what exactly does a lice look like? The following is a detailed elaboration from four aspects: physiological characteristics, size and morphology, parasitic position, and reproductive habits.

1. Physiological characteristics

Long lice have a flattened, oval or oval body, generally between 1-3 mm in length, and have a darker appearance, usually brown or black. The body of the long lice is covered with a hard shell and has three pairs of legs, especially the flea lice, which has a very strong ability to jump flexibly.

The head of the long lice is flat, and the hands are only long with two protruding eyes and a pair of mouthparts. The mouthparts secrete saliva so that the blood does not clot so that it can be fed. Once they find a suitable host, they can easily use a sharp hook to pass through the outer layer of ** and enter the dermis to suck blood.

2. Size and form

Long lice vary in size and shape depending on the species, but most of them are about 2-3 mm long, and flea lice are slightly smaller, generally millimeters, and usually do not pose a threat to the human body, but the hairy papules or red spots they leave may cause pain or itching.

3. Parasitic location

Long lice are parasitic in a variety of locations, and can parasitize on humans, cats, dogs and other mammals, and can even invade house mice, hamsters, etc. Long lice usually choose the head, feet, abdomen and other parts of the animal, while flea lice often like to parasitize the owner's abdomen, thighs, waist and crotch, etc., its active period is mostly at night, like "night swimming", and bury the parasite in the coat, so as not to be discovered by the owner.

4. Reproductive habits

Long lice reproduce relatively quickly, and each long lice is able to lay hundreds of eggs to ensure the survival of offspring. The eggs of the long lice will incubate near the parasite, and the hair or ** dandruff will be used as food to grow, and when it reaches a certain level of growth, it will jump away from the host and find a new host.

In short, lice are a very common existence, parasitic on people and animals, you should pay more attention in daily life, wash your home and pets in time, and also pay attention to self-hygiene to prevent the invasion of lice.