My 10 year old Pom gets these twitching spasms. They last a fraction of a second but are troubling me. It started off maybe two years ago. It was just her head nodding a bit. When I went to the vet of course, she didn't do it while there. They suggested a petite maul. (spelling?) Now, it seems sometimes she gets that twitch and her legs buckle a little... Like she's losing her balance but she catches herself. None of it effects her mood. If it happens when she's playful, she'll go right on ahead with fetching a toy and bounding around. It can happen at any time. It's so bizarre and worries me. Has anyone experienced this and if so what is it?!
Note: she does have a heart condition and is being medicated for it with vetmedin, enalapril, lasix, and spiro-something. This behavior started before the introduction of these meds however.