I have some Periactin on hand for when KD (CRF kitty) loses her appetite.  But it has a really drastic effect on her; she eats like crazy and gets kind of agitated. I hate giving it to her, so she only gets it as needed - maybe one dose (= 2 mg or half a pill) once or twice a week.

Does anyone know if it's available in a lower dosage than 4 mg pills? I'd like to see if a lower dose, maybe 1 mg at a time, will get her to eat without the drastic side effects, but I can only cut the pills down so far. I know it's a human drug, so I wonder if they make it in a lower dose pill for young kids that I could then cut down.

We have used 1/4 - 1/2 a pill when we used it.  But we use mirtazapine on our IBD cat.  Can also make hyper, but we only give it to him once a week.  Would at least be worth asking about.  It is an anti-depressant that also increases appetite and controls vomiting.