My Mom 78 Yrs Old. Has Been To Several Doctors

My mom 78 yrs old. has been to several doctors she has a pain in her side, she has alittle demuntia
gosh I don't know where to begin
She has been having headache this week, sick at her stomach she almost passed out last night I caught her I took her blood press. it was 166 / 143 she is on blood press meds
now today she is good been to post office and grocery. I'm worried to death her doctor wont be in till Monday. Should I have her seen?