I have been getting petechial rashes on my ribs and legs. i also have petechiae on my arms, scattered however. i've heard causes are bad, but i would like your opinion.

Evaluation: Petechiae can be caused by benign causes as well as serious causes. Simple things such as straining, lifting, crying etc. can result in the breakage of small capillaries resulting in Petechiae . Medications and herbal supplements can be a cause. Review the medications and supplements you at taking, if you can not find a reason seek the help of your physician.