closeup shot, forefinger points on vein injection mark on arm. bruising and redness from syringe puncture. patient or drug addict

allergic allergy arm body byeffect care condition copy dermatitis dermatological dermatology diathesis diet disease drug drugs eczema effect examination finger hand hands health hospital human ill illness infection injection itch itchy mark medical medicine medicines meds patient problem psoriasis reaction red redden reddening redness side skin sore space spots symptom unhealthy vein virus white