Vicki Gunvalson was in an ATV accident with Real Housewives Of Orange County co-star Tamra Judge on Sunday.

The reality stars were treated at the scene after complaining of severe pain.

And 54-year-old Gunvalson is still not doing well, according to a Tuesday report from PageSix. 'She does not feel good,' said the source. 'If Vicki doesn’t start to feel better soon, she’ll be brought back to the hospital.'

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Aftermath: Vicki Gunvalson laid on the ground wearing a neck brace directly following a rollover accident on Saturday in Glamis, California

Still suffering: On Tuesday PageSix reported the reality star is still suffering; here she is seen in 2014

On Monday the Bravo standout reached out to her Instagram followers.

'Recovering at home but so thankful my guardian angel was watching over us (thank you Mom),' she shared. 'To all of you that have sent tweets, emails and have called, thank you for all of your thoughts and prayers.'

Vicki was seen with a neck brace as multiple individuals surround her in obvious concern for their well-being. The accident occurred about 12:50pm on Saturday in Glamis, California when a four-wheeler they were riding in rolled over multiple times, according to an article on Sunday by TMZ.

Help is here: Gunvalson appeared weakened as one man carefully inspected her face

Tamra, 48, was behind the wheel of the Polaris RZR and a camera crew for The Real Housewives Of Orange County was taping at the time.

Cameras still appeared to be rolling following the accident as the women were treated on the sand, as indicated by a microphone that was also pictured in the air.

Tamra was also pictured in a neck brace as she laid on the sand, grabbing a drink of water.

She too was surrounded by multiple individuals as they inspected her condition.

Vicki, 54, was airlifted to a nearby hospital for treatment and was released early on Sunday with no major injuries, according to the website.

Tamra also was hospitalised but was released on Saturday with no major injuries.

They were taken to hospital out of an abundance of caution, but neither were in grave danger, adds the website.

Rollover accident: Gunvalson and Judge, both shown last fall in New York City, were hospitalised on Saturday following an off-road vehicle accident in Glamis, CA

On Monday TMZ also reported that Vicki was vomiting and was unable to feel her fingers following the incident.

Vicki and Tamra also said they had neck and back pain, the website adds.

Tamra took to social media on Sunday and shared a photo on Facebook of her scuffed up black and pink safety helmet.

'It's not a good Glamis trip until you break in your new. helmet. I've never been so scared in my life,' she wrote along with the photo.

Four wheeler: The reality stars were riding in a Polaris RZR, shown in an undated stock photo, at the time of the accident

She also posted a photo of her son Ryan Vieth and granddaughter Ava at the Glamis Dunes.

Ryan wore a red, white and blue racing suit while Ava wore a pink T-shirt and camouflage pants while sitting atop a red toy four-wheeler.

'Glamis baby,' Tamra wrote along with the picture.

On Monday Tamra took to Facebook to clarify several details about the incident, writing that there was no alcohol involved and that the accident actually occurred at 11 in the morning.

'No one was training me or telling me to slow down. I have been riding since I was young. It was an unfortunate accident coming off a top of a dune and landing wrong.'

Tamra also expressed feelings of guilt for being the driver.

Reality stars: Tamra and Vicki are shown in a still from season 10 of The Real Housewives Of Orange County

'Thank you everyone': Vicki expressed her gratitude on Instagram for the thoughts and prayers fans have sent her way in light of the accident, sharing a snap of the helicopter which appeared to be the one to airlift her, with the hashtag 'It wasn't our time'

'We are both beat up but very lucky to be alive. I've never been so scared in my life. As the driver I have an overwhelming amount of guilt and just happy that the 4 of us are alive,' she wrote on Instagram.

The trip to Glamis Dunes in Imperial County in the southeastern tip of California was to celebrate Tamra's husband Eddie turning age 43.

Tamra joined The Real Housewives Of Orange County during its third season, while Vicki is an original cast member of the Bravo reality series that is going into its 11th season.