: Reusing or sharing needles for illicit drug use. Symptoms and Diagnosis

(or bacteremia) is the presence of viable bacteria in the circulating bloodstream . While small amounts of bacteria can enter the blood during daily activities like vigorous toothbrushing without causing harm, the condition becomes dangerous if the immune system is overwhelmed, potentially leading to life-threatening sepsis. Causes and Entry Points

Bacteraemia itself may be asymptomatic (transient bacteremia), but if it progresses to a systemic infection, symptoms often include: High fever and shaking chills (rigors). Rapid heart rate (tachycardia) and rapid breathing. Confusion or altered mental status.

: Activities that cause small breaks in the skin or mucous membranes, such as flossing or minor cuts.