green concealer works great. I no u can get a No7 green concealer at boots. All u do is put i thin layer on the red areas, before applying your foundation. Hope this is of sum help as its not a cure but does a good job of hiding it
For permanent cure of red nose you have to go for a laser treatment. But for temporary you can reduce it by using right make up. Get to know perfect make up tips and ideas at http://www.2beautytips.com/makeup/index.htm