Uremia does not usually cause skin erythema.
Uremia means that the function of the kidneys has been lost, at this time may be due to the accumulation of metabolic waste, resulting in itching, dry skin; may also be due to the accumulation of water may appear skin edema. However, skin erythema does not usually occur.
Erythema may be caused by subcutaneous bruising due to rupture of small blood vessels under the skin, rashes due to allergies, or even localized vasodilatation under the skin. And these situations have little to do with UTI.
If the patient appears subcutaneous erythema, you need to go to the hospital in time to further clarify the cause of the disease, and follow the doctor’s instructions for targeted treatment.