 [ Symptoms ] what does thrush look like in an adults mouth  i have white pimple like things on the inside bottom lip and on the inside of the right cheek just wondering what you might think it is my month hurts and food has no taste my tough in numb and cheek inside is numb [ Disease ] thrush has a cottage cheese appearance in the mouth usually creamy white spots dot your tongue or inner cheeks most of the people i have worked with who have thrush say it is quite painful thrush is basically a yeast infection of the mouth it is caused by the candida fungus it can be caused by uncontrolled diabetes hiv or even something as simple as taking antibiotics you may be experiencing thrush or you may have something very common called fordyce spots these usually occur along the lip line vermilion border or just inside the lips this condition is benign not life threatening if your tongue is numb or painful and covered with white spots you probably should get checked out by a doctor if you are running a fever you definitely should get checked you can not self treat thrush so if you do have it you need to get a prescription mouth rinse i hope this helps