Afraid it's usual. Get yourself into a cool bath with salt or Epsom salts in. Sit for 10 mins. then tap your body dry, don't rub.
For my outer labia I use either
KY Jelly or
Vaseline. Put 'sylc' or 'yes' into the search box here and see what pops up. Some ladies find those useful to keep outer skin supple. It's important to apply at least twice a day ;-).
Read our treads on Vaginal Atrophy, found via the search box. Some find that they are sensitive to the filler or coating of the
Vagiefm. Your GP of course should know what is also required!