A split lip refers to an open cut or sore in the lip. Lip skin is delicate and prone to cracking in cold, dry weather, which can easily lead to a split lip.  A split lip can be annoying and painful, and it may bleed or sting. Most cases of a split lip are due to cheilitis, which is inflammation of the lips.

Using mild home remedies may speed healing in some cases, but a doctor may sometimes need to prescribe stronger medications to prevent or treat infections.  Learn more about the causes and symptoms of a split lip in this article. We also cover prevention and treatment.

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