Nurse!

Wendy Williams is trying to get answers about a potential change in a very serious medical condition ... but she says her doctor and her guardian are keeping her in the dark.

Wendy tells TMZ ... the medication she takes for a thyroid condition related to Graves' disease was recently changed and no one will tell her why or answer her questions.

WW says the nurse came in recently with a different color pill and nobody has said a thing ... and she's trying like hell to find out if her thyroid condition is better or worse.

Seems JuJu Watkins' coach doesn't have much worry her star player will be back to her normal self soon -- Lindsay Gottlieb tells TMZ Sports the 19-year-old is "doing great" in her rehab ... and attacking things with a laser focus.

Watkins, of course, tore her ACL on March 24 in an NCAA tournament game ... but Gottlieb told us out at LAX this week she's showing plenty of signs that she's going to be all right.

"She's doing great," the Trojans sideline manager said. "She's doing great. She's in focus mode, rehab mode."

Scary scene during Wednesday's matinee matchup between the Twins and the Mets ... first base umpire Hunter Wendelstedt was drilled in the head by a line drive -- and was forced to leave the game.

It went down in the top of the seventh inning as Tyrone Taylor was up to bat. The New York centerfielder roped a 0-0 pitch foul -- right at Wendelstedt's head.

The collision was so disturbing, the Mets' first base coach immediately waved for trainers to come over. Wendelstedt appeared to be in a significant amount of pain.

Brian Austin Green has more on his plate than his beef with Machine Gun Kelly ... the actor is currently recovering after undergoing surgery for a perforated appendix.

The "Beverly Hills, 90210" star revealed on Instagram Monday he was hospitalized after experiencing stomach pain. Turns out he got checked out just in time -- after visiting several emergency rooms, he learned his appendix was "not quite burst, but just before."

Brian says he received immediate care at Providence Cedars-Sinai in the L.A. area and had high praise for the hospital, noting ... "The aftercare was phenomenal. I mean, when I tell you every single person that was there was incredibly kind and loving and supportive and helpful, I mean it."

Lightning violently struck five students at a university in India, leaving two in critical condition -- with the terrifying moment all caught on camera.

Brace yourself for the shocking footage -- the Teerthanker Mahaveer University students were huddled together under a tree, desperately seeking shelter from the rain. But, in an instant,  lightning struck, sending them crashing to the ground.

One of the students hit by the lightning miraculously managed to get up and run to safety ... returning moments later with others, frantically checking on those still lying motionless.

The Menendez family is blaming the Los Angeles District Attorney's Office for the hospitalization of Terry Baralt -- Erik and Lyle's aunt ... claiming the graphic crime scene photos they were shown did a number on her health.

In a press release from the Justice for Erik and Lyle Coalition -- a collective of family members fighting for the brothers' release -- the group confirmed our story that Baralt had been found unresponsive in her hotel room.

The coalition says the D.A.'s office didn't give the family a heads up that they would be presenting photos of the crime scene at Friday's resentencing hearing ... a violation of Marsy's Law, a law designed to protect the victims of crimes.

Singer d4vd had a rough first day while performing for the opening of Coachella ... 'cause the poor dude faceplanted hard on stage during a stunt gone wrong!

D4vd took to the Gobi stage at Coachella Friday around 6 PM ... and it all seemed to be going well ... that is, until he tried to do a backflip.

Check out the video ... the poor dude damn-near knocked himself out!

Mick Foley tells TMZ Sports he's "feeling much better" after he was involved in a horrific car crash last week ... and he gave personal shoutouts to "Lady Luck," "The Man Upstairs" and Dwyane "The Rock" Johnson for helping him get through it!

The wrestling icon flipped his car while he was driving on a Florida roadway on April 1 ... and despite his ride looking like a beat-up tin can, Foley somehow escaped relatively unscathed.

He told us on Wednesday all he sustained were some scratches, bumps and bruises -- and while his upper body was still a bit sore, he said he's going to be just fine.

Harvey Weinstein's health is failing ... with the disgraced movie producer rapidly gaining weight and suffering from severe tongue inflammation in New York City's notorious Rikers Island prison.

Juda Engelmayer -- a rep for Weinstein -- tells TMZ ... Harvey's health is "rapidly deteriorating in custody," exacerbated by the terrible conditions at Rikers.

We're told Weinstein has gained more than 25 pounds since being transferred back from Bellevue Hospital several months ago ... 19 of those pounds in the last month alone.

Nearly a month after he upchucked his dinner onto the floor at Madison Square Garden ... Tracy Morgan was back courtside watching his Knicks -- and this time, there were no stomach issues in sight.

The 56-year-old comedian pulled up to New York's Tuesday night tilt with the Boston Celtics for the first time since his now-infamous March 17 incident ... and his favorite team welcomed him back with open arms.

They showed him on the jumbotron, and fans roared with applause when they saw he was back. Morgan responded with some blown kisses and a "Go Knicks!" message.

Memphis Grizzlies rookie Jaylen Wells was stretchered off the court after a brutal fall during a dunk attempt in Tuesday night's game ... and while he suffered a broken wrist as a result of the tumble, he's fortunate it was not more serious.

The frightening incident happened during the second quarter of the Grizzlies' road matchup against the Charlotte Hornets ... when Wells -- averaging 10.4 points this season -- went up for a one-handed slam.

Once Wells was airborne, he took a hard foul from Hornets guard KJ Simpson ... causing him to plummet onto the Spectrum Center court and seemingly hitting his head in the process.

Jeffrey Epstein accuser Virginia Giuffre has been released from a hospital almost a week after claiming she only had four days to live after her car was struck in a what she described as a brutal crash with a school bus.

Guess Giuffre’s prediction was off -- 'cause six days after the accident, she was escorted out of view of waiting media on Monday from Sir Charles Gairdner Hospital in Perth, according to the West Australian.

Virginia's current condition isn't clear yet ... but to be given the green light to go home surely means she's on the mend.

Jeff Ross landed in the hospital ... after a sudden and apparently severe allergic reaction to something he ate.

Jeff took to Instagram revealing he was in Mill Valley, CA for a comedy show on Saturday night and after the show him and the band celebrated at a restaurant. He says they ate burrata ice cream and shortly after his lips started puffing up.

He writes ... "It was delicious. Seriously yummy. But my lips blew up and I spent the entire night in the ER. It was my first allergic reaction ever. I guess that’s pretty remarkable considering I’m constantly shoving whatever food is in front of me into my face."

UFC's Henry Cejudo is a great fighter ... and he is also a great neighbor 'cause he recently helped stop a hit-and-run suspect in his hood.

Here's the deal ... a speeding car crashed into the house right next door to Henry's in Phoenix last night -- and the visuals are wild!

The UFC star gave an interview shortly afterward ... and he said the driver of the car was going to book it after the crash and his neighbor tried to stop him, which is when the dude punched the neighbor.

Mark Ronson went from the DJ booth to a hospital bed ... and it sounds like he was trying to do way too much.

The producer/DJ just posted a photo of himself in the hospital, explaining how some heavy lifting during a DJ set resulted in him needing medical attention.

Mark says he was in the middle of a mix when he tried to turn the stage monitor towards the crowd to "give them some extra juice." Problem is, Mark says the stage monitor weighed way more than he thought and he ended up popping two tendons in his bicep.

12:21 PM PT -- The Hawks gave an update on the fan to TMZ Sports on Wednesday ... saying, "We have reached out to the season ticket member injured last night while participating in an on-court game during a timeout."

"He is in good spirits and expects a full recovery."

An ATL fan appeared to suffer an ACL injury on Tuesday night ... going down with what seemed like a bad knee ailment during a challenge at the Hawks game.

The painful scene took place amid an intermission at the Hawks vs. Trail Blazers tilt at State Farm Arena ... when an Atlanta-backer was picked to participate in a basketball version of Tic-Tac-Toe.

The guy -- wearing a Hawks sweatshirt -- was supposed to hit a few layups before his opponent ... and score a Tic-Tac-Toe win in the process.