If they just came suddenly, they're not likely to be either long-lasting or permanent. An outburst of blood vessles like the ones you describe is possibly the result of increased
pressurePressure ulcer in the blood vessels. This could be from coughing or straining to pass a bowel movement. (It could also be from someone trying to strangle you. If they did, make them stop!)
Whether or not any of these suggestions make sense, I'd advise waiting a few days. The likelihood is that they'll just go away. If they don't, or if they spread, please show them to a doctor. But I doubt you'll have to.
Take care.
Dr. Rockoff