Hello and welcome to HCM,
and difficulty in swallowing suggests some nerve related problem.
The sensory nerve
supplying the face seems to be involved due to some disease process.
Difficulty in swallowing suggests motor nerve supplying the swallowing muscle of the pharanyx seems to be involved.
Vertigo occurs due to some disease process involving inner ear
Inner ear is responsible for maintaining balance and hearing.
Any disease process involving inner ear, leads to vertigo.
All these symptoms may be related or may be due to separate disease processes.
Consult your neurologist
for proper diagnosis, relevant investigations and management.
Thanks and take care
Dr Shailja P Wahal