Red pimples on my feet. Itchy.

Urticaria is considered to be urticaria. Urticaria is commonly known as wheal mass. It is a localized edema due to temporary increase in vascular permeability of skin mucosa. Most patients cannot find the exact cause. The common causes include food, infection, drugs, respiratory tract inhalants, skin contacts, and other physical factors, such as hot and cold stimulation, sunlight, friction, pressure, etc. Mental factors can also cause the occurrence and development of urticaria. Urticaria patients should actively look for and remove the cause, generally choose antihistamine drug treatment, chronic urticaria patients should adhere to long-term medication, symptoms gradually reduced to stop medication.