patient showing syringe injection mark on arm with reddness and blue vein. allergic reaction with red rash side-effect from

allergic allergy arm body byeffect care condition dermatitis dermatological dermatology diathesis disease drug drugs effect examination hand hands health ill illness infection injection itch itchy mark medical medicine medicines meds patient problem rash reaction red redden reddening redness side skin sore spots symptom syringe unhealthy vaccinated vaccine vein white