I recently developed sores on the roof of my mouth. Also has white spots. Now the blisters break open every time I eat anything at all.  I rinse with salt water.  Should I be concerned?  Is there anything more I can do?  They just showed up along with a yeast infection after one dose of an antibiotic.
i. Welcome to Chat Doctor. I have gone through your query and can understand your health concerns. As per your complaint sores on roof of mouth can be;1. Authors ulcers or canker sores.2. Cold sores caused by Herpes virus.3. Allergic reaction to medication.4. Bulbous Pemphegoid. You should consult a dentist and get evaluated and in case of authors ulcers you should do warm saline gargles. Gargle with 1