The brain on lithium. Lithium is a special metal in many ways. It's light and soft â so soft that it can be cut with a kitchen knife and so low in density that it floats on water. It's also solid at a wide range of temperatures, with one of the lowest melting points of all metals and a high boiling point.
Itching or burning, Skin rash and Swelling. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms itching or burning, skin rash and swelling including Lice, Contact dermatitis, and Poison ivy, oak, and sumac. There are 44 conditions associated with itching or burning, skin rash and swelling. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions. 1  Lice.
Poison oak: Skin inflammation that results from contact with the poison oak plant. Chemicals produced by this plant cause an immune reaction, producing redness, itching, and blistering of the skin. Treatment involves use of topical medication. Last Editorial Review: 3/19/2012.