Watch: Surgeons remove live leech stuck in woman's throat for three months
Warning: If you have a weak stomach, you may want to click away now.
When a woman from Vietnam went to the doctor complaining about constant migraines, she thought it was a tumour in her throat. However, it turned out to be a leech that had been living in her throat for about three months - and she didn't know a thing!
READ: Doctor removes blood-sucking leech from man's nostril
The blood-sucking parasites feed on blood by making small cuts in their prey's skin, then covering the cuts with their saliva which numbs the area and increases blood flow.
It is said that doctors in the Asian nation believe that she may have come into contact with the leech during a bath in spring water.
This looks like something out of a horror movie!
Watch below: