From other research, consider helping your child through more frequent pillowcase washing, assure the child gets an adequate amount of zinc, and focus more on topical treatments.
I had this therapy, and it might be partly responsible for added fat I have had.
Medicine is very primitive in understanding many conditions. George Washington was treated by three of the best doctors around him, and they all bloodletted him a total of 32 ounces, over a couple days. They also heat cupped him.
Together, his best doctors likely killed our country’s main founder.
We just need another pill.
Acne and Rosacea tip:
I found this worked for my Rosacea and I think it might help teens with acne—I think it helped my daughter:
Bactine.
It’s over the counter, used for cuts and abrasions.
It combines a topical antibiotic with an anti-inflammatory agent iirc.
I’m no doctor and this is not a recommendation. I’m just saying it worked for me.