Hypothermia is a dangerous drop in body temperature. It is most common in the winter due to overexposure to the cold temperature. Other causes include medications, trauma, diabetes, or drug abuse. Symptoms include shivering, shallow breathing, memory loss, exhaustion, weak pulse, low energy, and more. Follow the links below to find WebMD's comprehensive coverage about how hypothermia is caused, symptoms of hypothermia, treatments, prevention, and much more.