5. Sores around the lips and mouth
Sores around the lips, mouth, and nose are likely to be caused by the type 1 herpes virus. Once you get the virus, it will stay with you. Sores may break out when the immune system of a person weakens due to stresses, illnesses, or tiredness.
- They usually disappear by themselves. Nevertheless, there are special ointments sold in drugstores.