I have developed like a rash on my side of face i've never had anything like this before ?

Dr. can examine skin: Skin rashes are hard to describe with words. A rash that looks worrisome, lasts more than a few days, or keeps recurring should be examined by a primary care doctor or a dermatologist. A doctor can start treatment, or he can do additional testing if the diagnosis is uncertain. Face rashes include acne, allergic reactions, rosacea, seborrhea, etc.. Sometimes, internal disease can cause a face rash.