What causes purple and yellow rashes on my legs?
Patient: Hi,i am a 20 year old female i am 5'2 127.lbs i have ashma and i have had bone corrective surgerys.i also have nerofibromatosis sorry dont kno if i spelled it righ. lol anyways lately i have been noticing in the mornings wen getting ready for my day that i have these purplish/yellow bruises all over both my legs.they start in my hip/thigh area and end just bellow my knees like almost my calf area. and i have done nothing to cause them. can you help me Doctor: Hi,  I would recommend you to go for certain lab tests to find out its cause. I would recommend you to go for complete blood count and coagulation profile. Hope I have answered your query. Let me know if I can assist you further.  Regards, Dr. Asmeet Kaur Sawhney, Dermatologist