If blisters have formed, it is important that these should not be opened, and must be treated with great care to avoid infection. In the most severe cases, a black crust forms over the frostbitten area, and this is known as dry gangrene. As you get colder and colder, you actually reach a point where you stop feeling cold, and gradually the discomfort gives way to a drowsy feeling of detachment, you really stop feeling that your body belongs to you. These most commonly appear on the feet, also on the hands How to spot them Your skin becomes red and swollen, feels tender and starts to itch. First your feet are swollen and waxy the skin will look mottled with purply blue splotches your skin will feel soggy and crumbly.
Many cities have doctors who specifically treat the homeless.
Speak to hostel staff or contact the YMCA to get names and addresses.