Bug bites sting with a red spot is mostly considered to be caused by insect bite dermatitis, it is recommended to take general treatment, medication and other ways to improve.
1. General treatment: insect bite dermatitis patients with a red spot, avoid scratching the localization without authorization. The skin should be cleaned with water to keep the area clean.
2. Medication: If the patient with insect bite dermatitis has a stinging pain and a red spot, it is recommended to use topical glycerite lotion to soothe the skin. You can also use topical glucocorticoid drugs to stop itching and reduce inflammation, such as dexamethasone and hydrocortisone.
If patients with insect bite dermatitis experience symptoms such as stinging and red spots, it is recommended to consult a doctor in a regular hospital.