After having my son i started to get reddish to brown spots on my lower leg plus swollen ankles what can be the cause of this?

Veins: I suspect that your pregnancy resulted in some degree of vein damage in your legs. Brownish pigmentation of the lower legs and ankle edema are probably caused by venous insufficiency. Wearing elastic stockings, elevating your legs when sitting and following a low salt diet should be helpful. A vascular surgeon could evaluate your vein status of your legs and advise you.

Stasis: Edema of legs is common with pregnancy. Pregnancy, obesity, defective valves in veins, blood clots in legs or pelvis, lymphatic problems, prolonged sitting or standing, certain meds, heart, liver, kidney diseases all may cause leg edema. Eczema may cause severe itch with violent excoriation. Chronic edema, usually due to bad veins, leads to stasis dermatitis with brown pigmentation. A dermatologi