Mosquito bite parts become purple blood spots may be caused by purpura, allergy, mosquito bite dermatitis and so on, can be treated by drugs under the guidance of the doctor.
1. Purpura: patients in the mosquito bite, after intense scratching, resulting in increased capillary permeability, red blood cell extravasation, resulting in the local appearance of purple blood spots, usually no longer scratching, purple blood spots will gradually subside on their own, generally without treatment.
2. Allergy: when bitten by mosquitoes, mosquitoes will release toxins, which may lead to allergic reactions, can be under the guidance of the doctor, through the use of antihistamines for treatment, commonly used drugs are: loratadine, cetirizine, etc., or apply glucocorticosteroid ointment, such as hydrocortisone dilaurate.
3. Mosquito bite dermatitis: when the mosquito bites the skin, may cause inflammatory dermatosis, resulting in the bite site appears to become purple blood spots, need to be diagnosed by a doctor, according to the condition of the use of glucocorticosteroid cream for treatment, such as hydrocortisone cream, halomethasone cream and so on.
It is recommended that patients do not scratch, go to the hospital as soon as possible, under the guidance of the doctor, through the use of relevant drugs for treatment, so as to avoid aggravation of the condition.