After ending up in the hospital following a painful car crash on Thursday, Kristin Cavallari is opening up about the worst consequences of her injuries.

The 29-year-old former Laguna Beach star took to Twitter on Sunday where she shared that the crash had dislocated her elbow, meaning she hasn't been able to carry her 2-month-old daughter, Saylor.

WATCH: Kristin Cavallari Hospitalized After Car Crash

"Dislocated my elbow last Thursday and not being able to hold my baby is absolutely killing me," Cavallari tweeted.

The mother of three was rushed to the emergency room after her car was hit by another driver in Chicago on Thursday.

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Reportedly, Cavallari's children were not with her in the car during the accident, and she was soon visited in the hospital by her husband, 32-year-old NFL star Jay Cutler, after being admitted.

WATCH: Pregnant Kristin Cavallari Admits 'Three Kids Kind of Scares Me'

The last few months have been hard for Cavallari. Shortly after giving birth to her baby daughter in November, Cavallari's brother, Michael, was reported missing. Days later he was found dead in Grand County, Utah.

For more on Cavallari's frightening auto accident, check out the video below.