“…Examples include phlebitis (3, 10 -13), pulmonary emboli (14 -16), pulmonary granulomas (3,11,17), immune system dysfunction (3,18), pulmonary dysfunction (13,15), infarction (15,19), and death (14, 20 -22). The patient risk associated with the injection of drugs containing particulate matter depends on a number of factors, including the route of administration used, the particle size and shape, the number of particles injected, the particle composition, and the patient population.…”