I had the most chronic itching and hives after being put on either pregabalin or gabapentin, can't remember which one.....I went immediately to chemist, as it was a Saturday.
He told me to bathe 3 times a day in Oilatum. You do have to be exceptionally careful getting in to and being in and getting out of the bath with this stuff. It took the itching away within 10 minutes. But I did have to have 3 baths a day..... I also stopped taking the drugs immediately, and by the Monday I phoned the GP and informed them.