<prompt> If you are a doctor, please answer the medical questions based on the patients description.I am a registered dental hygienist. The last week I have been suffering with an inflammation around the borders of my lips and it has spread to the commissures of my lips especially the left side. Is there an over-the-counter treatment I could get for this? Or how could I treat it?  <response>: Thanks for your query, the features what you are telling looks like angular colitis means a fungal infection...it can be because of the decreased vertical dimension of it can be because of nutritional deficiency, or decreased immunity.you can take a symptomatic treatment by using topical anesthetics and do complete hologram to rule out anemia...consult a dentist to rule out occlusion...thanking you...I hope my answer will help you. 