What natural remedies are there for hand foot and mouth disease? Has anyone tried coconut oil or tumeric for sores?

Soothing alkaline soup for painful mouths - Dice 3 carrots, 3 zucchini, 3 stalks of celery (not leaves), and a handful of green beans. Place in enamel pan and cover with spring water on top of stove. Bring to a low boil. Skim off any scum that rises to the top. Simmer partially covered 5 minutes. Remove from heat - steep 5 minutes. Remove vegs, retain the liquid broth. Sip broth. Also use to rinse mouth. Good 2-3 days in fridge/2 mos. if frozen. Alkaline heals mouth ulcers and cures mouth pains