If ppi's and h2 blockers cause bad headache, will sulcrufate help worsening sore throat and hoarseness from lpr? diet and behavior changes unhelpful.

Yes: Sucralfate serves more of a "coating" function for the stomach so it may help with your symptoms and worth a try. You may also wish to try some neutralizing agents like Tums or bicarbonate (sodium bicarbonate) containing antacids. Some alternative/natural agents also include manuka honey, parsley extract, ginger root, among others may also help. Make sure you have been evaluated for h pylori.