The red and swollen areas bitten by bugs are allergic reactions to insect bites, resulting in insect bite dermatitis, which can be improved by general treatment, localized itch relief and oral anti-allergic sensory medication.
Insect bites can inject secretions into the skin of the bitten person to cause an allergic reaction, which can be manifested in the skin at the site of the bite, pimples, accompanied by redness, swelling, erythema, blisters, often accompanied by obvious itching symptoms. It is recommended that patients avoid local scratching, can also be used externally with ice packs cold compresses, but need to pay attention to prevent the occurrence of frostbite.
Insect bite dermatitis patients can use local anti-itching drugs, such as glycerite lotion, compound camphor application to relieve itching symptoms. For those with severe itching symptoms, antihistamines such as loratadine and cetirizine can be taken orally. For secondary bacterial infections, mupirocin ointment can be used externally as prescribed by the doctor, and sensitive antibiotics such as cefaclor can be taken orally for anti-infection treatment.
For special types of insect bites need to be handled with caution, such as ticks bite, do not forcibly remove, so as not to break the mouthparts in the skin, can be used kerosene, ether, etc., coated in the head of the tick to make it leave on its own; can also be used to tweezers to clamp the front end of the tick, gently upward, forward lifting, so as to remove the ticks.
Patients with redness and swelling at the site of insect bites are advised to go to the hospital in time to avoid delays in diagnosis and treatment.