'Monsters Inside Me' Makes You Think Twice About That Little Rash

Apparently even having a simple skin allergy can cause a chain reaction that develops into a life or death situation.

Animal Planet's "Monsters Inside Me" takes a look at a young girl experiencing organ failure and how doctors were able to link her serious condition to systemic nickel allergy syndrome.

"Monsters Inside Me" airs Sunday night at 9PM ... bring your hydrocortisone cream.