Causes of lip cracking
These are the most important things that may cause cracks lips:
1. Drought and malnutrition Dehydration can cause lip cracks. These are some symptoms of dehydration: dizziness, constipation, lack of urine, dry mouth, headache. Malnutrition can also cause lip cracks.
2 – Some treatments and medicines These are some medications that may cause increased exposure to lip lacerations:
Vitamin A supplements Retinoids, such as Retin A. Lithium used in the treatment of bipolar disease. Chemical treatments.