Hip-hop star DJ Khaled has assured fans he is fine after he was hospitalised for a mystery illness on Monday (20Oct14).

The All I Do Is Win hitmaker sparked fears for his health after sharing a snap of himself in a hospital bed, wearing an oxygen mask, with no explanation.

The producer has since turned to Twitter.com to thank fans for their messages of support, suggesting his hectic work schedule was to blame for his illness.

He also expressed his gratitude to medical staff at the Aventura Hospital in Miami, Florida for treating him so well.

In a series of posts, he wrote, "im blessed jus need a vacation New rules work hard and make sure u take a vacation big up Aventura hospital great people I'm good thank u (sic)".

Khaled later shared a photo of himself back in the studio with rapper French Montana.

In the accompanying caption, he wrote, "Fresh out (of the hospital) back to work thank u for love real talk (sic)!!!".