Also known as: Roundworm infection
A homeless teenage girl presents with ear bleeding, breathing problems, and paralysis. The parasitic worm eggs were contracted from contaminated water in Florida two years prior and remained dormant until being knocked loose, causing migration through multiple organ systems including lungs, ear, peripheral nerves, and ultimately threatening the heart.
An esophageal ulcer with bleeding was discovered during endoscopy, initially suspected to be from Zollinger-Ellison syndrome or alcoholism, but ultimately caused by parasitic worm migration agitated by steroid treatment.
Also known as: Heavy metal poisoning
Two Civil War reenactors present with diarrhea, numbness in hands, and vomiting caused by prolonged wearing of cheap polyester uniforms processed with antimony, a heavy metal.
Also known as: Heroin addiction
The patient's mother has a history of oxycodone addiction that led to her daughter running away. Her recovery is tested during the episode when House leaves Vicodin to see if she would relapse.