Why is it that if you are bitten by a flea, it will swell a large bag and it will not subside for a

Wheal-like papules and itching may appear a few hours after the bite. In the lesions** there are pin-sized hemorrhagic petechiae or blisters, large erythema or purpura, accompanied by intense itching and pain. Because the saliva released during the bite contains protein reactants, the treatment steps Method:

After the bite is confirmed, cyproheptadine, cimeguanidine, vitamin C, vitamin B6, and topical parisone can be used**. Sanjiu dermatitis flat or Wuji ointment. When the itching is particularly severe, it can be rubbed externally, mixed with dexamethasone to temporarily relieve itching.

After being bitten, the recovery time is generally three days.

The bag bitten by fleas can be eliminated with general**or drug**.

1.General**: If the current discomfort symptoms are not very serious, you can first use water or soapy water to clean the local area, and then use ice packs for local external application after cleaning, which is conducive to reducing swelling, and then use calamine lotion for local application under the guidance of the doctor, the effect of the drug in anti-itching and anti-inflammatory nuclear Ling is relatively good.

2.Drug**: If the discomfort symptoms are still not improved after using the previous Ming method, you can take antihistamine drugs such as cetirizine or loratadine under the guidance of a doctor**, which can shorten the condition and improve the efficacy after systematically**.

For patients with secondary bacterial infections, topical application can also be used with Fuhui's cephalic acid cream.

Fleas generally hide in the corners of the room after biting people, such as the folds of bed sheets, under the bed, in dirty clothes, in places where people will not touch, and then after people rest, they quietly come out and then gnaw and roll on people.

1. Fleas are much more difficult to kill than other insects, especially in Guangdong, which is relatively simple, so special attention needs to be paid to it.

2. Secondly, how to get rid of fleas, first of all, simply clean up the house, but don't move things out, at this time, spray flea agent and spray it in places where fleas often appear.

3. Generally, in the bed board, mattress and wall corners and furniture, vertical clothes and sheets are prepared, so when spraying, it must be sprayed in place to be thorough.

If you are bitten by a flea, you will have a rash of different sizes at the bite site, which is higher than **, generally centimeter in size, **allergic people will have a larger area, dark red, and a clear red spot in the center (the mouthpart mark of a flea bite), which is itchy and lasts for several days.

Flea (siphonaptera) is a group of blood-sucking insects, which are important disease carriers and pests that can cause significant harm. Fleas are parasites that inhabit the surface of the host body (i.e., ectoparasite).

As the main vector of the Black Death (bubonic plague) in the Middle Ages, fleas were an important link in a series of events that caused the death of 1 4 people in Europe at that time.

Adults can mate immediately after emergence, and then begin to suck blood, and in the .

Spawn is laid after one or two days. Female fleas can lay hundreds of eggs in their lifetime. The lifespan of fleas is about.

One or two years. Female fleas usually lay eggs on the host's fur and nests, and due to the lack of stickiness in the eggshell, the eggs from the host will eventually be scattered in their nests and activity sites, which are also the breeding grounds of the larvae, such as rat holes, livestock houses, house corners, wall cracks, under beds, and soil pits.

The larvae feed on organic matter such as the danders shed by the host in the dust, the feces excreted by the adult worms, and undigested blood clots. The dark, warm and humid surroundings are ideal for larval and pupal development.

Fleas suck blood from both sexes, and the reproductive activities of females are more closely related to blood sucking.

Usually you need to suck blood several times a day, each time for about 2 to 3 minutes, and then leave. Often suck too much blood, so that the blood food is not digested and is excreted with the feces. However, fleas are also very resistant to hunger, and some fleas can withstand hunger for more than 10 months.

Generally, the bags of flea bites are connected, not independent one by one; It's a string of two or three. A bag bitten by a flea looks similar to a bag bitten by a mosquito. The only difference is several, most of the mosquitoes are single, even if they are not very close, but the flea bite package is generally less than a centimeter apart.

It's not easy to treat in the short term, so apply some cool and anti-itching medicine, and you will feel more comfortable. There will be blisters, and there will be a brown mark, and it will take two or three years to become very light and light. And sometimes it's itchy after it turns black.

It is recommended to do a big cleaning of the house and buy some medicine to smoke the house.

My house is full of fleas, all on my clothes, all flea removal medicines, I have used dichlorvos, I have sunburned everything in the quilt, there are still fleas, my house is full of fleas, ankles, waist, calves, thighs, arms, face, and the bitten on my body are all bags, a large piece of it, what should I do??? Asking around paid off, I used several pure elixirs that were still used by the aunt next door, sprayed twice in succession, and now I haven't felt flea bites for two months, and what I eat after no fleas is fragrant, and my mood is naturally much better.

I've also been bitten by fleas. Do you have a row of bags connected together? If it is, it is undoubtedly a flea bite.

I was bitten because my neighbor had a pet. It's very itchy. I've tried everything.

The last use of iodine wine. It's a little better than toilet water. But you have to be patient, it takes a long time to get better after being bitten by a flea.

It's best to wash and disinfect all your bedding and clothes. This will prevent fleas from harassing you again. Flea extermination method 1, to eliminate fleas, the holes in the walls and ground should be filled with lime or mud, cleaned frequently, and kept dry and hygienic.

Spray purifying insecticides to destroy them.

2. As far as the average household is concerned, after spraying insecticides, leave the scene. After 2 hours, open the doors and windows to fully ventilate before entering the room. The prevention and control methods after sanitizing should often open windows for ventilation, and try to expose the sun to places that can be exposed.

3. If you are bitten, you can apply some toilet water, wind oil essence or soap to have anti-itching and anti-inflammatory effects.

What should I do if I am bitten by a flea?