What's going on with my cats nose?

by Tara
(Texas)

My kitten is about seven months old, and constantly has black/dark brown discharge coming out of his nose. I rescued him, and when I found him he had a severe flea infestation, worms, and dehydration.

He was underweight, and had ear and nose discharge. What was in his ear was black/dark brown, a similar look to the nose discharge but hasn't come back since I cleaned out his ears.

I cannot get the nose discharge to go away and have no clue what it is! I clean it out frequently so it doesn't bother his breathing but it comes back the next day. It wipes out with a Q-tip very easily.

Obviously he had a few issues when I rescued him and I have no idea what he could have been exposed to living outside. What could this be?