I'm a 37 year old man, haven't had any skin problems in the past, and I've just had an outbreak of what I can only describe as acne. I have painful red spots which have just suddenly broken out over my face (mainly upper lip, but also the 'beard' area). Shaving is now excruciating and my face feels like it's on fire.
I had some acne as a teen, but it was no big deal and cleared up no bother. Any ideas what might have caused this?