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.
There are two types of herpes simplex virus: herpes simplex 1 (HSV-1) and herpes simplex 2 (HSV-2). For many people, herpes is a minor skin condition that comes and goes without causing problems. HSV-1 is commonly found around the mouth, and is often called cold sores.