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.
1 Improper use of contact lenses or steroid eyedrops can lead to fungal infections, which in turn can cause corneal ulcers. Also, a corneal injury that results in plant material getting into the eye can lead to fungal keratitis.  Acanthamoeba are microscopic, single-celled amoeba that can cause human infection.
This section shows a full list of all the diseases and conditions listed as a possible cause of Skin ulcer in our database from various sources. 1  Abalone poisoning - urticaria. 2  Anthrax - skin ulcer.  Arterial insufficiency.