You might want to post this again in the expert forum but one thing to ask your parents about is bugbites. Nothing to be concerned about but that could be it. I think its a little too early in the year for ticks but I'm not sure. I know that an increasing number of people have a problem with bedbugs. Have your parents check your bed (they are easy to identify, they are dot like, saw them in a hotel once) and they can go online and see what the bites look like to contrast and compare. But have them take you to a doctor as well.
Yes speak to your doctor about it and perhaps this could be moved to a different forum...
maybe you ought to talk to your mom and dad show them and they will probably have you see a doctor..have no idea what they could be