Lupus doesn't have a particular look. It can cause a rash across your face which has been described as a butterfly rash because it spans your cheeks and nose. This is the only visible physical symptom.
Generally, a sea tick bite will be circular, often resembling that of a bulls eye. Often with a bite wound in the center and a rash on the outside, though if the bite wound heals, it may look like a circular rash.
You're not likely to pass cold sores from your face to your neck. Cold sores like to transfer from a wet place like the mouth to another wet place like the genitals or eyes. The rash on your neck could be a sweat rash or a bacterial infection.
Lamicital rash is small raised red rash on the chest that will spread evenly outward. It will itch more and more as it progresses. Please seek medical attention if you get a rash as it can lead to Stevens-Johnson's Syndrome which can be fatal
If you have warts on your legs shaving over them can spread the disease even more. Answer You can get a rash from shaving and sometimes it can look like warts if you are not familiar with what each of them look like.