Getting Chilly for Science

Gtgt 5, 4, 3, 2, 1, submerge. gtgt Maddie Burdick is getting cold and wet for science. She's a healthy volunteer in a study of people who get hives when exposed to cold. gtgt You're doing great. You're doing great. gtgt The study is led by Dr. Hirsh Komarow at the National Institute of Allergy and Infectious Diseases. Maddie is helping his team determine a normal, or control, response to cold. gtgt We're looking for people that don't have any history of hives and 20 percent of the population probably have had hives at some point. We're looking for people that.

Don't have allergies to, you know, pollen and food, and that's also not so common. So our challenge is to find control patients. gtgt Maddie has held her arm in a bucket of ice water for 5 minutes. After the test, the researchers look for signs of hives and ask her to describe what she is feeling. Case manager Mike Young collects a blood sample that will be important to understanding how a normal response to cold compares to an abnormal one. gtgt That'll definitely wake you up in the morning.

Gtgt This information helps researchers understand how hives develop, which could inform new methods of controlling the condition. gtgt I actually work in research as well, and I know how important it is to get healthy volunteers, so I thought it would be nice to kind of give back. gtgt Nurse practitioner Celeste Nelson records Maddie's physical responses. Once the final blood samples are collected, they are prepped and sent to the lab for analysis. Dr. Komarow's study team is indebted to volunteers like Maddie for contributing their time. We study very unusual diseases, and if we don't have our normal volunteers to act.

DermTV How Long Are Cold Sores Contagious DermTV Epi '7

Hello, I'm Dr. Neal Schultz pause And welcome to DermTV. A viewer with recurring cold sores asked if she was still contagious because she had a sore that was 11 days old. The scab was gone but the area was red and slightly sore. She wanted to know When was it ok to kiss her partner again, without risk of spreading the virus. For anyone who has cold sores, it's so important to know when they're contagious and when they're not, which is what I'm going to discuss now. To be clear, cold sores, which are the same as Herpes outbreaks,.

Consist of tiny blisters on the lip, or elsewhere on the face, and are caused by the Herpes virus. These outbreaks can be rare, happening just once in a lifetime or recurring, happening a few times each year. And yes, it's the same family of virus that causes genital herpes, but today I'm only talking about facial sores. So when are you no longer contagious If you don't treat this viral infection with oral antiviral pills, then by the time the scab or crust comes off it's usually not contagious. That can take a week or longer.

And that applies whether you don't treat it at all or you treat it with topical products. But if you are treated with oral antivirals like Valtrax or Famvir, then by the fourth day after the treatment is finished, it's usually not contagious. And here's some good news Newer treatment schedules often require only one day of pills! But regardless of your treatment, remember that the Herpes virus is spread by skintoskin contact. During an outbreak, the way you can spread your virus is by the part of your face or lip with the outbreak touching.

Heres What To Do If You Find A Tick Bite

. TWO LOCAL KIDS WERE SENT TO THE ICU THIS WEEK AFTER BEING DIAGNOSED WITH LYME DISEASE. IT'S A TICKBORNE ILLNESS THAT CAN CAUSE ALL KINDS OF COMPLICATIONS. THE KIDS WERE TREATED FOR INFLAMMATION OF THE HEART MUSCLE. AT CHILDREN'S HOSPITAL THEY SAY THE UPTICK IN CASES AMONG KIDS IS CAUSE FOR CONCERN. THEY ARE DOING OKAY AND THEY ARE REALLY CONCERNING US BECAUSE IT'S NOT VERY OFTEN WE'VE EVER HAD TWO CHILDREN WITH CARDIAC INVOLVEMENT IN THE HOSPITAL AT THE SAME TIME. SO, IT'S GOT US CONCERNED BECAUSE WE'RE SEEING A RISE IN.

CASES OF LYME ASSOCIATED CARDIAC INVOLVEMENT THIS YEAR. HEALTH OFFICIALS SAY THEY EXPECT TO SEE ABOUT 500 TOTAL CASES THIS YEAR. IF YOU FIND A TICK ON YOU OR ON YOUR KIDS, THAT DOES NOT AUTOMATICALLY MEAN THAT YOU HAVE LYME DISEASE. IN FACT THERE'S SOMETHING YOU CAN DO TO MAKE SURE YOU DON'T GET IT. HEALTH EDITOR DR. MARIA SIMBRA HAS MORE NEW AT 500. Reporter YOU SEE A TICK WELL ATTACHED TO YOUR SKIN, SWOLLEN WITH ITS MEAL IS THERE SOMETHING YOU CAN DO TO KEEP FROM GETTING LYME DISEASE.

IF YOU FIND A TICK ATTACHED TO YOU BEFORE THE DISEASE IS REALLY SET UP A SINGLE DOSE OF THE ANTIBIOTIC IS SUFFICIENT TO PREVENT THE INFECTION FROM GETTING SET UP. Reporter STUDIES SHOW 85 REDUCTION THIS CASE OF LYME DISEASE IF YOU'RE GETTING 200 MILLIGRAM DOSE AT THE TIME OF THE TICK BITE. IT'S NOT FOR EVERYONE WHO HAPPENS TO NOTICE A TICK BITE. THE DOCTORS HAVE TO BE SURE IT WAS THE SPECIFIC KIND OF TICK THAT CARRIES THE BACTERIA CAUSING LYME. IT HAS TO BE AN ENGORGED PARTICULAR AND HAVE TO SEEK.

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