Lipitis is mainly caused by localized irritation, which manifests as flaking and oozing, etc. Herpes labialis is caused by viral infection, which manifests as blistering phenomenon.
In terms of etiology, labiitis is mostly caused by the lips coming into contact with irritating substances, such as lipstick, lip licking habits, and so on. Herpes labialis, on the other hand, is caused by herpes simplex virus infection.
From the point of view of clinical manifestations and treatment, labial herpes manifests as dry and flaky lips, which can be swollen and oozing. It can be treated with tretinoin ointment and other treatments. Herpes labialis manifests as dense small blisters. It is often treated with acyclovir ointment and others.
In case of abnormalities on the lips, you should visit a hospital and get diagnosed by a doctor, and use medications as prescribed by your doctor.