Shingles is a painful condition that is a reactivation of the chicken pox virus, usually on one side of your body. It can be painful and cause complications. If you’re aged 70 to 79, or turned 65 on or after 1st September 2023, you should be eligible for a free shingles vaccination.
https://www.nhs.uk/conditions/shingles/
If you’re suffering from shingles, you can find lots of helpful information about how you can best manage the infection including information about how to reduce the pain associated with shingles, and about antivirals you may be offered.
https://patient.info/skin-conditions/shingles-herpes-zoster-leaflet