Insect contact dermatitis: Symptoms and treatment, prevention

This is an automatically translated article.

The article was professionally consulted by Specialist Doctor I Tran Van Sang - Dermatologist - Department of Medical Examination & Internal Medicine - Vinmec Danang International General Hospital.
Insect contact dermatitis is an acute inflammatory skin condition caused by a substance secreted by an insect touching the skin. Contact dermatitis caused by insects usually appears from June to September, during the rainy season, the change of season, after the harvest,...

1. What is insect contact dermatitis?

Insect contact dermatitis is an inflammatory condition of the skin that is irritated by chemicals secreted by insects. Disease caused by human skin contact solely with the secretions of insects that may be living or dead.

2. Causes of insect contact dermatitis

The cause of skin contact dermatitis caused by insects is caused by major species such as: ants, ants, rice ants, double chin, caged ants, and ants.
After rainy days flooding fields, ponds..., many insects will appear, they will fly with the lights to fly into the house, pollen or secretions of insects will fall on the neck, Face, body or accidental contact with insects and Pederin contained in insects will cause contact dermatitis.
It can also be caused by insects falling into the bath, bath or clinging to towels, clothes..., if not paying attention, rubbing insects will cause blistering dermatitis. There are cases where the patient kills insects such as: three-compartment ants touch the skin and become sick.

Chạm vào kiến ba khoang có thể khiến da bị bỏng rát
Chạm vào kiến ba khoang có thể khiến da bị bỏng rát

3. Symptoms of insect contact dermatitis

After skin contact with insects will feel itching, burning, burning at the spot. After about 6-12 hours, in the exposed skin, clusters of red, slightly swollen spots appear in the contact area, 1-5cm in size, 3-4mm wide.
After 1-3 days will see the appearance of blisters, red, patchy skin, then blisters and tiny pustules appear. Accompanied by an increased burning pain, it may cause mild fever, fatigue, and body discomfort.
After 3-5 days, the lesions dry without becoming blisters, pustules. If it is more severe, it will cause extensive lesions, blisters, shallow pustules spreading to surrounding areas, possibly ulcers.
Injury to this skin area can also be spread from one location to another through contact, especially if it is damaged in the folds such as groin, elbows, popsicles, armpits, neck... will cause damage. Symmetrical lesions across the folds, causing itching and pain for the sufferer.

4. Treatment of contact dermatitis caused by insects

The treatment of contact dermatitis caused by insects is very simple; The level of recovery is fast or slow depending on the time of detection for treatment.
Most insect dermatitis just need to buy a tube of ointment that can help soothe the skin, flatten the blister and quickly heal. Currently on the market there are many skin soothing, anti-inflammatory creams. If left untreated, the patient will have to take more antibiotics and this can leave scars.
Cream products for contact dermatitis caused by insects to soothe the skin, antiseptic can be used such as: Fucidin cream, Jarish solution,
If the contact skin area is inflamed, it spreads, causing itching. snoring and pain, it is necessary to visit and treat at reputable medical facilities with dermatology for guidance and treatment.

Viêm da tiếp xúc do côn trùng có thể tự điều trị bằng thuốc bôi da
Viêm da tiếp xúc do côn trùng có thể tự điều trị bằng thuốc bôi da

5. How to prevent contact dermatitis caused by insects

To prevent contact dermatitis for insects, it is necessary to actively take measures to limit contact with insects such as:
Clean the house regularly, avoid mold and mildew Clearing bushes and trees around , puddles, sewers because these are places for insects to breed and live. At night, it is necessary to wear a mosquito net and close the door to avoid light-loving species such as moths flying in. Hang clothes in dry, sunny places. Collect clothes early to avoid insects hiding in them. Rinse the clothes to limit the accumulation of dirt. If you see insects crawling on the skin, do not shake hands to avoid rubbing the skin, this will cause the secretions to come into contact with the skin more. Before going to bed, dust the bed, blankets to avoid chalk and dust on insects remaining. Avoid standing under bright lights in public places. If you see ants in the light, stay away. Or take something to kill, do not let the skin directly touch this ant. If you are bitten or accidentally beat them to death on your skin, you need to wash with clean water as quickly as possible the contaminated area with soap. Then see a dermatologist. Skin allergies or contact dermatitis caused by insects can be easily treated with topical creams. However, do not be subjective because if you do not clean the inflamed skin or treat it late, it can make the inflammation worse, the inflammatory area spreads, and the treatment time is longer.
All questions need to be answered by a specialist at Vinmec International General Hospital, please book an appointment on the website to be served.

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