My 15 yr old has orthostatic hypotension and smthg else. pain in her stomach, then temporal lobe, sees dots then black. doesnt lose consciousness. rashes along with a malar rash. ana screen pos but ana igg neg rpn pos 1.3. does that mean no lupus?

Hard to tell sometimes early on. Time will tell. Work with Drs down there. Rash is a very general term. Picture is worth....

A Rheumatolgy referral may provide additional information. There are additional tests which may be ordered to determine the diagnosis and the next steps in her management. Keep your daughter well hydrated, monitor breathing and watch for chest pain, shortness of breath and fever. I agree that a photo shared with your pediatrician and the specialist would be helpful.