I have serious itching on the side of left breast and inner arm for a few weeks now.  No injury, no rash, no change of detergents or anything.  My left  arm aches a little as if it is being dragged down.  there is also bruising on the inner arm but I dont know if that is from scratching or not.
Hello, Itching without rash is called as Pruritic. In my opinion, the bruise on the inner arm is not related to the rash and both are different conditions. You have to find the cause for both the conditions. Common causes of itching without rash is underlying liver or kidney abnormalities. Common causes of bruise is bleeding disorder or trauma or vitamin C deficiency. I would recommend you to consult your Dermatologist to find out the cause and to treat the skin conditions. Hope I have answered your query. Let me know if I can assist you further.