08/17/2013 03:34 pm ET

Maci Bookout, Former 'Teen Mom' Star, Tweets About 'Painful' Mystery Illness


It's a big month for former "Teen Mom" star Maci Bookout, whose MTV show "Being Maci" airs tomorrow (Aug. 18). But instead of spending her time prepping excitedly for the show, the 22-year-old is battling a mysterious illness that makes it hard for her to eat.

Earlier this week, Maci tweeted to her over 1.2 million followers:

Which she followed up the next day with:

By Thursday, Maci wrote:

But it looks like there might be some improvement in her situation, as Maci tweeted this morning --

Is it yet unclear what the reality star is suffering from, but she's at least attempting to put on a brave face for her 4-year-old son, Bentley. An hour ago, Bookout posted this photo to Instagram:

Get well soon, Maci!