I have just started Roaccutane for my rosacea. I dont want to be on it for long, what is the shortest amount of time I can be on it?

Roaccutane. This is a dangerous drug prescribed for severe, deforming nodulocystic acne unresponsive to all other treatments. It also looks like you already have depression which can be acutely exacerbated by this drug. You also need to avoid tetracycline derivatives such as doxycycline and minocycline while on this drug. Your dermatologist should know this. You may be on the drug for many months until clear.