I have a bruise rash on my lower leg that has been there months?

Dermatologist: Bruises heal or resolve much quicker than that. A physician or dermatologist would have to inspect this rash in order to make a diagnosis and then advise or treat you.

Venous stasis: What you described suggests venous stasis. If you are overweight, losing weight is imperative.

Bruise rash : In addition to problems with the veins, one needs to consider that you may have diabetes. Unfortunately, there are times where the unhealing bruise may need a biopsy for further diagnostic understanding