Some conditions may also cause you to have blood or protein in your urine. If you have a urinary problem, see your healthcare provider. Urinalysis and other urine tests can help to diagnose the problem. Treatment depends on the cause.
Cold sores are usually caused by the herpes simplex virus (HSV) type 1, which is transmitted by such forms of contact as kissing an infected person or sharing eating utensils, towels, or razors. Genital herpes is usually caused by herpes simplex virus type 2.
Herpes labialis. Herpes labialis, also known as cold sores, is a type of herpes simplex infection affecting the lips. An outbreak of herpes labialis is caused by infection of the lips by the herpes simplex virus (HSV) and typically causes small blisters or sores on or around the mouth.