Don't worry - UCTD is not a "lesser than" diagnosis - you will get EXACTLY the same treatment as though they've written Lupus on your chart!
The most common initial course of treatment is Plaquenil 400 mg daily and a recheck on 2-3 months.
You might consider going back in one month and asking if there are more symptom-specific treatments while you are waiting for Plaquenil to kick in. (It takes 2-3 months to build to a therapeutic dose.)
Meanwhile, use saline wash for your nose ulcers, you can also coat them with a thin layer of petroleum jelly to keep them from drying, cracking, and bleeding. Try Biotene products for mouth issues - they have a line of mouthwash, toothpaste, etc.
Lynnwood, Lupus & Sjogren's Moderator, Dx: 2000DIAGNOSING LUPUS & HW's LUPUS 101
"Life is far too important to be taken seriously." - Oscar Wilde