I have a small red sore on the surrounding skin by my mouth on my face. It itches a lot.

Many causes. There are many possible causes of a red itchy sore on the face - allergy to makeup, tinea (fungal infection) , a bacterial infection, and cheilitis are some possibilities. If this continues, see your doctor!

Related Questions

I keep getting these bumps on my lower eye lash what is it? Every now and then I get this one bump on my lower eye lash and sometimes it itches, red and sore. It doesn't have a head like a zit it just pops up ever so often. What could it possible be?

Sounds . Sounds like it could be folliculitis. Wash this area carefully and you might benefit from a mild steroid like FML (fluorometholone) ointment when it pops up. Discuss this with your ophthalmologist. Read more...
What . What you describe is the eyelid's equivalent of a zit! occasionally, a gland in the eyelid gets clogged, and irritated. Try adding some hot compresses to your end-of-day routine. If that does not work, you may need to start doing regular lid scrubs with either dilute baby shampoo, or commercially available eyelid cleaners such as ocusoft. Read more...
The . The first line of treatment is a warm compress for one hour a day until the resolution is achieved. I also recommend cleaning the lid with a warm wash cloth twice a day. Read more...
These could be cysts. like eccrine hydrocystomas, but see ophthalmologist or dermatologist for confirmation. Read more...