Alyssa Milano has taken to social media to reveal a physical symptom she claims is caused by being a coronavirus "long hauler", outlets are reporting.

The actress has revealed that the effects of coronavirus is leading to her hair falling out, as she urged people to wear a face mask to help halt the spread of the virus.

Milano captioned the video, which shows her revealing just how much of her hair was still coming out while she brushed it, "#longhauler Thought I’d show you what #Covid19 does to your hair. Please take this seriously. #WearADamnMask #LongHauler"

You can watch her video right here:

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Milano ends the video by saying; "One brushing, this is my hair loss from COVID-19. Wear a damn mask!"

Per Sky News, the actress revealed earlier this month that she had tested positive for coronavirus antibodies after three earlier tests had indicated that she had not contracted the virus.

Milano said she had experienced "basically had every COVID symptom", continuing: "It felt like an elephant was sitting on my chest."

The actress has listed the her experience of dealing with the effects of the virus over the last several months, writing, "lingering symptoms like, vertigo, stomach abnormalities, irregular periods, heart palpitations, shortness of breath, zero short term memory, and general malaise."

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And of her positive antibody test, Milano wrote:

"I am POSITIVE for covid antibodies. I had Covid19. I just want you to be aware that our testing system is flawed and we don't know the real numbers."

"I also want you to know, this illness is not a hoax," She added. "I thought I was dying. It felt like I was dying."

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"I will be donating my plasma with hopes that I might save a life. Please take care of yourselves. Please wash your hands and wear a mask and social distance. I don’t want anyone to feel the way I felt. Be well. I love you all (well, maybe not the trolls. Just the kind people.)"

Alyssa Milano reveals hair loss she claims is due to COVID-19 in Instagram video