Insect contact dermatitis

Insect contact dermatitis used to appear in the last months of the year. In recent years, the disease does not appear "in batches" but scattered throughout the year. At this time in the period of seasonal transition, there are unusual changes, the risk of the occurrence of the disease is very large and difficult to prevent .

Which insects cause disease?

Kien chamber - scientific name is Paedérus
(Photo: koleopterologie)

So far, we have not yet identified the exact type of insect that causes this disease. Some authors believe that the cause of insect contact dermatitis (VDTXDCT) can be caused by ant colonies (ants, ants, ants, paired ants . depending on the locality) with scientific names. Paedérus - is an insect belonging to the Staphylinidae family, which has nearly 20,000 different varieties but is often found in P. Literlis, P. Fiscipes, P. Caligatus . This is an insect of tropical, hot and humid.

Insects often hide in the fields, under piles of excess materials or waste dumps . when flooded water no longer has a residence, they fly into the house under lights and contact with objects. Indoor use such as towels, washcloths, bedding for blankets, clothes . causes illness for VDTXDCT for users of such items.

Therefore, the disease usually occurs in the rainy season, especially after heavy rains. The patient suddenly felt burning in the skin in the morning after waking up (over 60%), over 70% of patients working under lights like at work, school . Common burns in place Open skin, such as the face, neck, arms, and legs, can also be scattered throughout the body or in folds.

There are many times, in the area of ​​Hanoi city, there are many patients VDTXDCT, there are 46 days of contact dermatitis patients in the hospital, only within 10 days there were 181 (9.8%) patients on total 1,829 patients visited the Hanoi Dermatology Hospital. There are also months with 1,201 (20.4%) of contact dermatitis patients out of a total of 5,886 patients who came for examination, the disease appeared in each phase and most in suburban districts of Hanoi.

Treatments for injury

The initial lesion is a long, reddish-looking skin like scratches, scratches or clumps of varying sizes. After a few hours or a day, there are blisters, water burns in the middle of those red skin. It is possible that the water emulsion in the middle is flat, the oval or the long streak looks like a hard object pressing directly on it.

Dermatitis

Some patients have symmetrical lesions through large folds such as limbs, elbows, groin, armpits, neck . In loosely organized areas such as around the eyes, armpits, groin . edema lesions Many patients suffer from pain and are very uncomfortable. Injury at the beginning is only burning, it can be painful or painful if there is an infection. The patient may have a fever but never have a high fever. With symptoms such as skin manifestations should be treated early, sick after seven to 10 days and will not leave scars if there is no infection.

Management method. Immediately after the appearance of redness and burning sensation, salt water needs to be 0.9% (bought at a drug store or made by self-dilution such as tears or lighter than soup) to wash and cover the lesion 5-10 minutes once, 3-4 times a day. If you do not feel better, you need to see a clinic with a specialized dermatology clinic to be treated promptly by a specialist.

The skin-soothing and irritation-reducing drugs can be used in the period of only redness and burning, such as: Jarish solution, boric acid solution, lake, tetra-pred lake, zinc oil, corticosteroid cream. When there is an infection (pus), use a color solution like milian methylene blue . and antibiotic fat (bactroban, fucidin, foban, gentamycin .). Systemic drugs: antihistamines, antibiotics when there are infections, analgesic, antipyretic if there is fever and infection.

Preventive measures

Windows and doors can install mosquito and insect nets. When working under the light and fan, avoid scratching when there is a feeling of entanglement on the skin.

Before going to bed, clean bedding, blankets, preferably using a wet towel to clean the insect's waste from the blankets and mats.

Carefully check towels and utensils before bathing.

When there are signs of suspicion of being in need of a dermatological examination such as Vietnam Academy of Dermatology, Hanoi Dermatology Hospital, Ho Chi Minh City Dermatology Hospital and hospitals with dermatology clinics to be examined, consulted and treated promptly.