For the nose bleeds you can put vaseline in your upper lip. It's an old boxers trick to keep your nose moist, and avoid the cracking associated with dryness that causes the nose bleed.

Yes, decreased appetite is a symptom commonly associated with taking SSRI's.

I know you may view it as beneficial because of your current weight but it may prove detrimental to your health. Do you feel weak, tired or dizzy?

If your not able to increase your appetite, talk to your pdoc.