Wendy Williams opens up about her return to TV

After fainting on air and taking three weeks off for health reasons, Williams says she is encouraging fans to take care of their health, saying as women, "We take care of everybody but ourselves."
3:55 | 03/19/18

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Transcript for Wendy Williams opens up about her return to TV
their talents to something great. Now to Amy with the "Gma" cover story. You had a chance to sit down with Wendy Williams who is back on the air today after break. That's right. Fans are welcome back Wendy Williams. Problems with her health forced her off the air for three weeks. We sat down with her to discuss how she's making her health a priority and pp and what she wants others to learn from her experience. She's the talk show host for telling it like it is. Time for "Hot topic." Reporter: She found herself at the serntd of her own "Hop topics." I have been trending with what the hell is going on with Wendy. Reporter: She's stepping away from her show for three weeks. 21 days eye Ya us the. From the woman who told me not that long ago, I don't take days off. I don't take sick days. In the entire almost ten years of doing the show, I have never taken a six day. It was a perfect storm. A perfect storm that had been brewing, I have to say, internally, knowing my body, since late July. Reporter: You fainted on the show. Oh! Reporter: And were back after the commercial break. On. Yeah. Reporter: Do you think that fapting smell had something to do with the graves or with your thyroid? I had missed three doctors appointments with my endocrine nolg. Your health was at the bottom of the list. Yes! I'm functionings okay. Feeling weird. I'll get through it. I went in February, that's where I found, whoa, your levels are way off. Reporter: And so, your do said, that's it. You're taking time off. Yes. Reporter: How did you receive that information? I cried. And then I laughed. Are you out of your mind? It's sweeps? Reporter: What did he say back to you? Do you want to be swept? But it turns out, it was the best prescription ever. Because I met a great team. They behave me a full, like a full workup. I found out I was very deficient in vitamin "D." I'm if not the worst case of deficient vid mini"d" she's seen in her career. I've had vertigo. All my life. That was affecting my equilibrium. And -- it was just -- just a mess going on inside my body. But I'm saved. Reporter: She says she's anxious to get back on the air and share an important message with her viewers. We, as women, if we have families, you know, taking care of children, home, hour husbands, we take care of even but ourselves. Reporter: We put ourselves last. Yeah! I'm not doing that anymore, Amy. Wendy first. If there is one thing to request from my watcher, don't request me how I feel. When I see you in the streets, the grocery stoor. Don't ask me with the woo woo woo and the puppy eye, then I'm going to snap, how do you feel? Reporter: Nobody likes that pity party. No, I'm not that girl. Reporter: What should they say? How you doin? So I can say all right. Reporter: Jerry O'Connell field in for her. The first time she's had a guest host in the history of the show. So it was a big first for her. She's a workaholic. How was it for her to give up the hosting duties. I asked her how many times she watched Jerry. She said, he did great job. I ols watched twice. She was directing from the show. And she couldn't watch. She is very unique in what she tuz. It's hard to replace her. We're happy she's back. She's back today. We'll be watching.

This transcript has been automatically generated and may not be 100% accurate.

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