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Sore or dry lips are common and usually caused by simple factors such as cold or windy weather, dehydration, licking the lips frequently, or an allergic reaction to a lip product. Cracking at the corners of the mouth can sometimes be linked to a vitamin B deficiency or a fungal infection.
Evidence checked against current HSE guidance for Sore or dry lips, covering the article's core clinical information and relevant assessment, management or safety considerations.
Public health education article
Self-care advice — See your GP or dentist if lip soreness or cracking persists despite self-care, or if you notice a sore that doesn't heal.
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LEARN — Use this information to build health knowledge and support prevention.
Topic-specific prevention and risk reduction will be added during the article-specific evidence audit.
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Sore or dry lips are common and usually caused by simple factors such as cold or windy weather, dehydration, licking the lips frequently, or an allergic reaction to a lip product. Cracking at the corners of the mouth can sometimes be linked to a vitamin B deficiency or a fungal infection.
Topic-specific prevention and risk reduction will be added during the article-specific evidence audit.
Lips are severely cracked, bleeding, or not improving with simple care
Sore or dry lips are common and usually caused by simple factors such as cold or windy weather, dehydration, licking the lips frequently, or an allergic reaction to a lip product. Cracking at the corners of the mouth can sometimes be linked to a vitamin B deficiency or a fungal infection.
Most cases resolve with basic self-care, but persistent or severe cracking, swelling, or sores that don't heal should be assessed by a doctor.
See your GP or dentist if lip soreness or cracking persists despite self-care, or if you notice a sore that doesn't heal.
These measures can help ease symptoms, support recovery, and reduce the chance of things worsening — but they don't replace medical advice if symptoms are severe or persistent.
BarnMD Health Intelligence uses authoritative and clinically relevant sources appropriate to the topic. References are shown so readers can inspect the evidence directly.
BarnMD Health Library provides general health education for public health literacy. Reading this article does not establish a doctor-patient relationship and this information is not a diagnosis, prescription, or personalised treatment plan. If you have symptoms or concerns about your health, seek appropriate advice from a qualified healthcare professional. If you develop emergency warning signs, seek urgent or emergency medical attention.
Most sore or dry lips improve quickly with regular lip balm and avoiding known irritants or triggers.
A fragrance-free, plain lip balm applied regularly through the day is usually more effective than trying several different products.