When Francelys Infante developed a "really bad migraine" late last year, she thought it was caused by exhaustion from raising three kids. So, she took some pain relief medicine and went to bed. The next day, it got much worse.

“I remember having a really bad migraine on the left side of my head and my neck. I was in so much pain,” Infante, 39, tells TODAY.com.

The pressure, she says, “took over my eye” to the point where she felt like she was going blind. “It was like (something was) pulling my neck — a really bad pressure on my neck and then pressure on my left-hand side, like if somebody was squeezing my brain,” she recalls. “Then my eye, it’s like if I had a knife stuck in here.

It was so intense. I felt like I was going blind.” Infante remembers FaceTiming with her husband, Latin superstar , but having difficulty seeing him on the screen.

“I was like, ‘I can’t even see the phone. Just talk to me because I can’t even see from this eye.’” Two days after the headache started, she called her doctor, Dr.

Steven Schnur, cardiologist and CEO of Lynx Medical, who scheduled her an MRI in New York City, where she's based. She went to her appointment that Friday and was told she'd get her results on Monday. “By the time I got home, which was an hour and a half later, my doctor calls,” Infante says.

“He’s like, ‘I got your results, and I’m a little concerned. I didn’t like what I saw, and I sent it over to the head neurologist at Mount Si.