Hives include the following types of causes and: 1. Allergic factors, including food group as well as inhalation group allergies. The food group includes eggs, milk, beef and lamb, seafood, fruits like mangoes and strawberries, and vegetables like parsley and amaranth. Inhalation group allergies include mold-like substances, animal fur, tree hair, pollen, willow wool, dust mites, dust mites and other factors. 2, caused by infections, which can be caused by bacterial, viral and fungal infections. 3, hives can be caused by sun allergy or drug allergy. 4, hives are caused by digestive tract diseases, including Helicobacter pylori infection. 5, associated with thyroid disease, kidney failure, heart failure, such diseases of the internal system. The hives are related to diseases of the visceral system like