Are the "bumpy patches" a result of your anxiety and stress? Perhaps. But they may also be due to any number of things.
If you are concerned your doctor should be able to provide a diagnosis, or refer you to a specialist
more likely describe the redspots as blisters. Localized pockets of infection could also make the leg sore... (used to lower cholesterol). However, dietary supplements containing red yeast rice, the precursor to statins...
Sorry but I'm having a difficult picturing a red bump. It might be an ingrown hair or it might be a sexually transmitted infection, especially if you're itchy. Since you're worried, it's best to go see