For dry mucous membranes, usually associated with Sjograns, my Rheumatologist prescribed Evoxac (Cevimeline HCL). I do not have Sj antibody, but do have quite a degree of dryness.
I am still ramping up to 3 pills/day, but have already noticed a difference with moisture in my mouth and eyes. Perhaps 3 pills/day may be too much. I may be leaking all over

if that is the case.
Perhaps your PCP may prescribe this if you are suffering from dryness. Have you been tested for sjogrens? It can happen in males. Wish you the best...
Mere