What is the difference between phlebitis and infection?

Phlebitis is inflamm. Phlebitis is inflammation of the veins. Infection usually refers to bacterial involvement.
Veins. Phlebitis is related to inflamation in the veins. It usually occurs in the superficial system in the legs. This is different from an infection which is the invasion of a host organism's bodily tissues by disease-causing organisms, their multiplication, and the reaction of host tissues to these organisms and the toxins they produce.