He or she also feels a general body weakness as people usually do when they catch a cold or flu. If you wait for maximum 48 hours more, you will notice a burning, swelling papule. It usually forms on the extremities, eyes, and around the mouth. It quickly turns pimply and ruined. On the whole, these symptoms are predetermined by the type of exposure. The patients have just one ulcer on the arms but several or many in the throat or eyes.