@ddljohn-- You must have used oral antibiotics too right?
The first time I had a nasal abscess drained, my doctor only gave me a nasal spray with antibiotics to use. To be honest, I didn't use it very diligently and developed another infection!
It turns out that having an abscess drained puts us at risk for infections. So it should be followed with oral antibiotics. Since I didn't do that, I developed a really bad throat and ear infection in addition to my nasal one. I had to use three courses of antibiotics to get rid of it.
If anyone is told to just use sprays or do irrigation after abscess removal or draining, please advise another doctor. It may not be a complicated treatment, but it can be dangerous if it's not carefully cared for afterward.