The skin itches after being bitten by a small insect

Insects are the largest group of organisms on Earth, and they are everywhere in people's lives, adding a lot of troubles to people's lives. Because insects bite human skin and cause pain. In particular, some insects that carry pathogens can cause skin infections and other consequences after biting people. Let’s take a look at what to do if your skin itches after being bitten by a small insect.

It is clinically called "insect bite dermatitis". Insect bite dermatitis, also known as "papular urticaria", refers to an inflammatory skin reaction caused by bites from insects or arthropods, or contact with the poisonous hairs of insects. It often occurs in exposed areas and around the waist. Common insects that cause dermatitis include mosquitoes, bedbugs, fleas, mites, midges (small black bugs), wasps, etc. In addition, some caterpillars, such as mulberry caterpillars and stinging caterpillars, can also cause symptoms when their poisonous hairs pierce the skin. Due to the different types of insects biting the human body and the different physical conditions of the bitten individuals, different skin reactions will occur at the bite site. The general manifestations are edematous papules, wheals, edematous erythema, papules, papulovesicles, petechiae, etc., accompanied by varying degrees of itching, stinging, and burning pain. Regardless of the type of rash, traces of insect bites or bee stings and poisonous hairs can be found in the center of the affected area. The stings and poisonous hairs should be removed as much as possible and the venom sucked out. For insect bite dermatitis caused by mites and fleas, you must take a bath and change into clean clothes before treatment.

Prevention and treatment: Pay attention to personal and environmental hygiene, and change clothes and bedding frequently. Eliminates bed bugs, fleas, lice and other insects. Once symptoms are found, medication should be taken promptly. Do not drink alcohol or eat spicy food, and go to the suburbs or parks less often. Straw mats should be washed and dried to reduce the number of mites hidden in them and the possibility of insect bites.

External treatment:

1. Take 50 grams each of realgar and alum, grind them into fine powder, mix with tea water and apply to the affected area 3 times a day until healed. This prescription has the effects of detoxification, relieving itching, reducing swelling and relieving pain, and is suitable for skin inflammation caused by various insect bites.

2. Grind 100 grams of fleabane into fine powder and soak it in 50% alcohol. After 3-5 days, apply the powder to the affected area 4 times a day. This prescription has the effects of clearing away heat and detoxifying, reducing swelling and relieving pain. It is suitable for dermatitis caused by caterpillars and bee stings.

3. Blood-letting method: After routine disinfection, use a three-edged needle to prick the area where the skin is obviously swollen due to insect bites to cause a small amount of bleeding. Then use the flash fire method to cupping for 5-10 minutes to remove the bad blood. In most cases, recovery can be achieved in one treatment.