When I needed to give awful tasting Pepcid to my first cat I started with pill pockets. That worked great until she managed to eat around one and tasted the pill. She never ate a pill pocket again even without a pill! Now with all cats I use gel caps, size 3 or 4. They are great because you can combine pills and pill pieces together in one and no taste. I follow with a good tasting treat or baby food. If not willing to eat I syringe water but I hate doing that. You can get gel caps on amazon or from capsuline.com.