frostbite FDA approves first-ever drug to treat severe frostbite and "prevent lifechanging amputation of fingers or toes" Frostbite is an injury to the skin caused when the skin and its underlying tissues freeze, preventing blood, oxygen and nutrients from reaching the affected areas What is frostbite? How to spot it and prevent it What is frostbite? We look at the causes, signs and symptoms of frostbite so you know the risk factors and what to look out for when you’re exploring in winter Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Red 30L Waterproof Roll Top Dry Bag Backpack review: a seemingly simple dry bag that's worth a closer look2New Yetis in the wild – limited edition color for the brand riding a wave of popularity3Vivobarefoot gets back to nature with Ecological Survival Collection hiking shoes4Tourist nearly flattened at Grand Canyon after mobbing frightened elk for photos5Casio launches tough new G-Shock Gravitymaster watches inspired by jet fighter geometry