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Itching all over the body can also be caused by exposure to environmental allergens. For example, a nickel sensitivity aggravated by drinking tap water that contains nickel or eating foods cooked with nickel utensils can result in systemic itching.What causes itching and welts all over body?
Urticaria, also known as hives, is an outbreak of swollen, pale red bumps or plaques (wheals) on the skin that appear suddenly -- either as a result of the body's reaction to certain allergens, or for unknown reasons. Hives usually cause itching, but may also burn or sting.What causes tingling all over my body?
Therefore, tingling can be felt anywhere in the body, depending on the specific nerves affected. Common autoimmune diseases that may cause tingling include multiple sclerosis, systemic lupus erythematosus and rheumatoid arthritis. Insufficient blood supply to any area of the body can lead to sensation changes, including tingling.Why am I itching all over my body?
While itching in one spot is often a dermatological problem, itching all over the body is often the symptom of another problem. For instance, many medications like opiates (Vicodin, morphine, codeine) and aspirin can cause systemic itching. If you are taking a new medication, call your doctor to inquire about symptoms.