it says i have eczema on my arms. it's extremely noticeable when i wear shirts.t can i do to make it go away. >> it's common. if you are the suffer remember, it can be embarrassing. let me talk about what eczema is. it's a chronic skin inflammation that causes scaly red patches. it commonly occurs on your arms but can occur anywhere on the body. it tends to flair so it can come and go. we're not clear what causes it. it's a genetic basis from a faulty immune system. there's no cure for it. so we do try to avoid things that can trigger it. >> can you treat it, soothe it. >> first, prevent it. prevent it, avoid things that trigger it like rough fabrics, heat, detergents. if you're someone that wants to treat it and get rid of it. try a hydrocortisone cream for about a week. for many people that's enough. if it's not enough and you're itching, go to the doctor. they will probably recommend an antihistamine. >> the next question from viewers, i know it's hot outside. what would cause me to excessively sweat indoors. >> if you're sweating inside with air conditioning,

everything like that and, plus, an increased number of patients coming into the office where the eczemat of different symptoms that present and dermtulogic it's more itchy skin, but you can also see like stuffiness, runny, itchy eyes and even some people can get asthmatic symptoms. >> you don't even have to touch it. it's out there because i've seen it. i just didn't know this was ragweed. >> it has the little spiny kind of nettles on it, as well. at least this ambrosia species and they're very hard. i had to get some garden clippers to clip this because they grow about two to three feet tall and they'll grow right through the zalias and in your flower bed. so, it's knowing what to look for and how to get rid of it. >> so, how do you get rid of the symptoms of an ala lergy to thi? >> it's handled like pretty much any other kind of pollen hypersensitivity. there's antihistamines out there and tons of them over the counter, including those that don't cause a lot of sedation. you can work and carry on your daily activity without feeling sleepy. benadryl is probably one of the best ones. bu