Gabapentin is used in cats to manage chronic pain, control seizures, and reduce anxiety, especially during vet visits. The dosage varies, typically ranging from 1.5 to 5 mg per pound for pain relief, 2.5 to 5 mg per pound for seizures, and 20 mg/kg for anxiety before vet visits.
Gabapentin?
https://www.paolivet.com/health/gabapentin-for-cats
I found that link too. I decided to just give 100mg though they could do 120mg