Q. I have to correct something I sent you a while ago. I have rosacea and when I read that someone used cornstarch to control it, I tried it. I thought it was great and wrote to you. But I was mistaken.

At the time, I was on a prescription antibiotic, Trimox, for recurrent bladder infections. After about 6 months my bladder infections decreased and I was able to stop the Trimox. I started breaking out with rosacea again and realized it was the Trimox that had eliminated the redness, not the cornstarch!

A. Thanks for your complete report. Coincidences like this can fool people into thinking a home remedy works, especially for a condition that may wax and wane.

Symptoms of rosacea include skin redness and pimples on the nose, chin, cheeks or forehead. Dermatologists often prescribe antibiotics to treat it.

Some others reported temporary relief from rosacea by dusting the skin with cornstarch. We don’t know if this approach is truly helpful.

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