what the hell is a nug i keep hearin people say it but i dunno what it means. im good on most other words its just this one i got trouble with.
Other causes of corneal ulcers include: Abrasions or burns to the cornea caused by injury to the eye. Scratches, scrapes and cuts from fingernails, paper cuts, makeup brushes and tree branches can become infected by bacteria and lead to corneal ulcers. Burns caused by caustic chemicals found in the workplace and at home can cause corneal ulcers.
Mouth ulcers can sometimes be caused by certain medical conditions, such as: 1  viral infections â including the cold sore virus, chickenpox, and hand, foot and mouth disease. 2  vitamin B12 or iron deficiency. 3  Crohn's disease â a long-term condition that causes inflammation of the lining of the digestive system.