The family remains quiet about Rob's reported hospital visit.
The 28-year-old reality star's health struggles have been documented frequently on the family's reality show.
The 28-year-old reality star was reportedly diagnosed with diabetes over the weekend.
According to a report, Rob remains in the hospital after being diagnosed with diabetes.
ET has learned the 28-year-old reality star recently became reclusive.
Love them or hate them, it was hard not to keep up with the Kardashians this year.
Following Khloe's touching message to her younger brother, Kourtney followed suit and posted an old photo with Rob.
The 'Keeping Up With the Kardashians' star shows support for her younger brother.
It's all to promote her new talk show, 'Kocktails With Khloe.'
Khloe Kardashian gushes over Rob Kardashian.
The reclusive Kardashian posts on social media about sister Kylie's lip kit, but not sister Kim's new baby.
Rob Kardashian doesn't publicly acknowledge Kim's new baby, but does take time out to promote Kylie's lip kit.
The 'Keeping Up With The Kardashian' star also sets the record straight on Scott and Kourtney.
Kris Jenner is opening up about where Rob spent Thanksgiving.