Hi Dear,
welcome to HCM.
Understanding your concern.
As per your query you have symptoms of bump on lip which is mainly white in color is because of
herpes simplex virus infection i.e symptoms of
cold sore. It occurs because of lowered immunity of body due to excessive
cigarette smoking and autoimmune causes.
Need no to worry about it. Visit general practitioner once and get oral examination and visual examination done. If its not identifiable then go for culture by taking sample with the help of swab to determine if bacteria, viruses, or fungi may be causing the bumps. If doctor doubts you may have
oral cancer, a tissue sample can be collected to test for malignant cells.
Avoid pricking it. Use antiviral ointments such as rich in
acyclovir. Wash face frequently, only with water without use of any chemical agent. Your symptoms will resolve soon. Avoid smoking as it will exaggerate your symptoms.
Cover skin while exposure to sunlight. Drink lots of water and fluids to re hydrate body.
Hope your concern has been resolved.
Get Well Soon.
Best Wishes,
Dr. Harry Mahehshwari