Pain and bleeding from an insect bite
Jun 01, 2023
Source: Cainiu Health
Dr. Liu Wan
Introduction
Bleeding and pain from an insect bite may be caused by insect bite dermatitis, contact dermatitis, bacterial infection, or other reasons, and treatment should be based on the specific cause. Contact dermatitis may occur when the skin comes into contact with certain chemicals, resulting in dense, pinhead-sized papules at the affected site. It can be treated with topical applications such as compound acetic acid dexamethasone cream or pimecrolimus cream under a doctor's guidance.
Bleeding and pain after an insect bite may be caused by insect bite dermatitis, contact dermatitis, bacterial infection, or other reasons. Treatment should be based on the specific cause. Details are as follows:
1. Insect Bite Dermatitis
This condition is primarily caused by small insects such as fleas, mosquitoes, and mites. It commonly occurs during summer and autumn. Rashes usually appear on exposed areas of the body such as limbs or waist. Under a doctor's guidance, topical application of erythromycin ointment or oral administration of levocetirizine hydrochloride capsules may be used for treatment.
2. Contact Dermatitis
This may occur when the skin comes into contact with certain chemicals, resulting in dense, pinhead-sized papules at the contact site, accompanied by obvious swelling and bleeding symptoms. Under medical supervision, topical application of medications such as compound acetic acid dexamethasone cream or pimecrolimus cream can be used for treatment.
3. Bacterial Infection
After an insect bite, the wound may easily become colonized by bacteria, leading to infection. Scratching the area with hands may cause secondary injury, worsen the infection, and result in redness, swelling, and pain. Following medical advice, topical antibiotics such as mupirocin ointment or fusidic acid sodium ointment can be applied for treatment.
In addition to the above causes, similar symptoms may also be due to diseases such as malaria, lymphatic filariasis, or tick-borne encephalitis. Avoid scratching the affected area and maintain local cleanliness.
