Sedating cats for
Your cat’s muscles will be relaxed, and her anxiety and fear reduced or even eliminated.Diazepam (or Valium) is an anti-anxiety medication and muscle relaxant.
These include valium and xanax, which are known to be effective sedatives.
The recommended dose is one-quarter of a tablet once or twice a day as needed.
Benadryl (diphenhydramine) is another OTC medicine often recommended for traveling cats.
The medicine can be injected or given by tablet, with the typical dose being 0.25 to 0.5 mg per pound.
You can also try topical Valium, sold in a gel pen, to see if that works.