Richard Simmons thanks fans for support after hospitalization

Three days after famed fitness guru Richard Simmons was hospitalized in California, he took to social media to thank his fans for their support.

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“Thank you to everyone who has reached out with love and concern after hearing I was in the hospital,” he wrote Monday morning. “I was dehydrated and needed some fluids and now I am feeling great! Summer is here – drink plenty of liquids.”

Thank you to everyone who has reached out with love and concern after hearing I was in the hospital. I was dehydrated...

Posted by Richard Simmons on Monday, June 6, 2016

According to a report from entertainment site TMZ, someone at Simmons' home in the Hollywood Hills called 911 late Friday night after Simmons started to act "strange." Medics determined he needed further medical evaluation and took him to a hospital.

Simmons, 67, has become reclusive in recent years, leading to multiple rumors of his declining health and mental condition.

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The New York Daily News reported in March that Simmons was becoming increasingly isolated. The newspaper said several unnamed sources claimed his housekeeper was barring access to Simmons, a claim which his longtime manager refuted.

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“Richard is enjoying life at home after a 40-year career of traveling the world and inspiring people to take better care of themselves,” Michael Catalano told the Daily News. “In response to 'the housekeeper is keeping him captive,' I can tell you that is 100 percent not true. It's ridiculous. Richard has always been someone who makes up his own mind (about) what he wants to do.”