Hi there ~
I understand your concern. Low appetite, headache and small blisters with a low MPV are indicators of anemia
and you are probably not getting enough of the nutrients to make the blood that you need. You may also have gastritis
and therefore feel full even with a small meals. The sore throat
like symptoms needs to be symptomatically addressed. I advise you to see a doctor as soon as possible.
I hope this helps. Take care and have a lovely day!