Has anyone experienced elevated liver enzyme levels after taking hair loss medication?

Actually, I'm not the one taking hair loss medication... but my friend was a bit worried. She has alopecia areata and was prescribed a six-month supply, and she's been taking it. Recently, it was time for her regular check-up, and after she went,

Didn't they say the liver enzyme levels rose abnormally...

There were no issues on the checkup just a year ago, so I thought it might be due to the hair loss medication, but after searching online... hmm...

I'm feeling a bit uncertain because people say it isn't very toxic.