Apatient has a rash on her skin what are the similarities and differences between the skin rashes and the result when a person has come in contact with poison ivy and poison oak

Skin rash is an abnormal change in the skin or tissue color, often caused by dermatitis, or other diseases such as eczema, circulatory granuloma, flat lichen, and other diseases. Skin rash is only a side effect on the skin caused by an illness, 1] If a rash suddenly occurs, you should know the cause and go to a doctor if necessary. Causes of sudden skin rash There are many reasons that lead to sudden onset of skin rash, including: [2] Food Allergy: If the rash appears on the skin without notice, attention should be paid to the food consumed two to three hours of Its appearance, accompanied by this type of itching allergies in the throat, sneeze, and mild headache, and most foods that cause allergies are canned foods, products containing pigments, industrial colors, and chemicals. Changes and irritations surrounding the environment: Observe the places visited by the person, or if he or she touches any substance containing chemicals, such as pesticides sprayed with pesticides, washing clothes washed with strong cleaning powders, sharing towels or wearing nylon clothing; All of these things are very strong and affecting the skin, which leads to itching and the emergence of rash on them, and the intensity of the rash depending on the sensitivity and type of skin. Weakness of the digestive system and immune to the body: All people are exposed to all kinds of pollutants that are around us, and of course everyone is trying to fight with the existing immunity that works to prevent these pollutants, but when the immune system is weak, the body will suffer the side effects that appear in the body on Skin rash, especially if there is a weak digestive system. Healthy diet: The problem of skin rash is exacerbated in the absence of a healthy diet, and not eating enough of the money