How to remove space after punctuation for italicized words?

Whenever I write something on my site in italics and followed by punctuation, it adds an extra space between the letters and the punctuation. Here’s an example from my site:

http://www.leelaughead.com/2013/12/27/indie-games-dont-suck-consuming-shadow

Look at the mention of “Silent Hill 2” and “Eternal Darkness: Sanity’s Requiem” and how it adds an unnecessary space before the parentheses and period, respectively. As opposed to the previous sentence on my post here, where it looks fine. I checked the HTML and there’s nothing to indicate this extra space, and there’s no way I can see to remove it except not using italics.

Could one of my plug-ins be causing this? I don’t have any that affect the text formatting.