A survey of 1,023 rosacea patients by the National Rosacea Society identified types of skin-care products and ingredients that commonly pose problems for rosacea sufferers.

An estimated 14 million Americans suffer from rosacea, but most of them don't know it. April has been designated Rosacea Awareness Month by the National Rosacea Society (NRS) to alert the public to its warning signs. Those who may suffer from this widespread condition are encouraged to seek diagnosis and treatment before it increasingly disrupts their daily lives.

From the time she was 13 years old and tried a popular moisturizer on her face that brought "catastrophic red results," Cheryl Costello knew she had very sensitive skin.

Over the years, the redness on her face intensified. Next, blood vessels became noticeable and bumps (papules) began to appear.

"I had no idea what was happening, but I knew it was serious," she said. "I saw several doctors who thought it might be rosacea. One prescribed a topical ointment, which made my face worse, so I thought I just had to live with it."

We asked and you told us: for the first time, Rosacea Review readers were surveyed about what they want to see in the newsletter -- and what they don't.

By far, the most popular topic in Rosacea Review is treatment information. Eighty-four percent of 1,233 survey respondents said it was the most helpful part of the newsletter, and 72 percent said they would like to see more articles on the subject in the future.

Q. Since sun is a rosacea trigger, is it okay to use a self-tanner?

Results from previous research funded by the National Rosacea Society have led investigators Dr. Richard Granstein and colleagues at the Cornell University Medical School to focus in their current study on adenosine triphosphate (ATP), a natural substance in the body that may play a key role in the flushing, telangiectasia and bumps and pimples of rosacea.

Sure, you'll suspend your mail delivery and find a pet sitter, but you should also be sure to plan your trip with rosacea in mind. Depending on your individual sensitivities, the following suggestions can help lead to a much more enjoyable getaway.