Can scabie rashes look like bruises?

Not usually: They are often more pinpoint like bites and can occur commonly in intertriginous areas (in between the fingers, etc.). Do not usually like bruises.

Scabies: Scabies looks like lines of burrows on skin made with little mounds or blisters. They cause itching which is often worse at night. Although they can be anywhere on skin they like going into skin folds (waistline, axilla, breasts, between fingers, feet, wrists, knees, elbows,buttocks & genitalia.