 [ Symptoms ] foreign objects injected into bloodstream i accidentally had lint or a food crumb or fiber or something that was in a saline flush through my central line  pic  port  what happens to you when a foreign object is in your bloodstream i know about air emboli and such but something like a hair or a fiber what happens then  i have been doing iv treatments hospitals and in home care for years and rarely get concerned or do not know what to do i am really hoping someone has any bit of advice or experience they can share i am scared [ Disease ] hi the most likely scenario is that the body will form a small pocket around the invader and isolate it if it is biodegradable then it should decay over time otherwise you will carry it around for the rest of your life do hope this helps good luck