ACNE or something else?

For the last month I've been "breaking out" something terrible. I attributed it to the onset of my first period after coming off the BCP but it never cleared up. I have little pimple things all over my scalp, which is rather itchy (and annoying!) and quite a lot over my forehead which are almost sore with the pressure under them. There are a few more on the rest of my face, neck and upper torso.

They aren't very big but they look like pimples. Are they? And what might be causing them because I'm on a particularly healthy (and gluten-free) diet so I just don't know what has caused them all of a sudden. Last time I was this bad would have been as a teen.

Any ideas? And anything to relieve scalp ones (I shampoo daily).

Could it be your bodies way of getting used to your new diet??

*sigh* okay... I'll try to be more patient

Thanks for your replies!