The symptom of itchy feet with pimples when scratching is considered to be due to insect bite dermatitis or urticaria.
1. insect bite dermatitis: also known as papular urticaria, the main reason and mosquito bites, when the patient’s feet by mosquito bites, can appear local erythema and itching symptoms, especially in the case of excessive scratching, there will be obvious bumps.
2. Urticaria: also commonly known as “pan pimples”, belongs to a kind of confined elevated in the skin, mucous membrane surface of the wind and angioedema, will be accompanied by obvious itching symptoms. Especially in the case of excessive scratching, may be due to the release of inflammatory activity of chemical mediators, causing vasodilatation and increased permeability, resulting in patients with itchy feet scratching the symptoms of pimples.
It is recommended that patients with the above symptoms should consult a doctor in time to find out the cause, and then cooperate with the doctor for examination and treatment.