Compared to certain other plants, peace lilies don't need to be pruned very frequently. However, if, for whatever reason, one or more of your lily's limbs or leaves become brown or wilted, you may want to prune the leaves to keep the plant from wasting energy on the dying appendage.
Accutane is a retinoid, and not related to anti-biotics so the side effects are different. However, the list of potential rare side effects of accutane is long and includes headaches, nausea, muscle pain and depression.
My experience with Accutane was amazing. I don't regret taking it. Throughout my 6-month course, though, I experienced some common side effects that I hadn't heard about before. I mean, if you're reading this right now, I bet you are looking online everywhere for tips and tricks on Accutane, products, ...