Cracked Lips Symptoms, Causes, Treatments Vitamin B12 deficiency: Lip symptoms can include dryness, redness or angular cheilitis Express.co.uk Your lips can speak louder than you think Dry, cracked, pale, or dark each tells a story about your inner health. From vitamin deficiencies to hydration issues, your lips are Lip balm won't fix this. Called Angular Cheilitis, these painful splits are often caused by fungus thriving when you're low on Iron or Vitamin B2. Eating B rich foods like eggs, spinach, or What foods cause angular cheilitis?