Kim Kardashian's loved ones are terrified after she was diagnosed with a mystery illness — and multiple sources tell In Touch why the reality star's health condition is something to seriously worry about.

This comes on the heels of her being robbed in Paris and contemplating a divorce from her husband of two years, Kanye West — who was recently hospitalized for a "mental breakdown."

She's rarely been seen in public for the last two months.

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"For Kim to fall completely off the grid for months, something must be very wrong," divulges an insider.

Everyone is worried for the mother-of-two and constantly checking in with her, though all that's known at this time is that she has "severe fibroids."

MORE: Find out How Kanye West Reacted to Kim Kardashian's Scary Diagnosis

"She's been warned in the past they could eventually result in surgery to remove her uterus. Fibroids cause severe pain and lead to complications such as anemia and blood loss. They cause her such severe pain and cramping, sometimes she just wants to stay in bed."

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