my dog is around 5 years old she is a large dog she just had an operation on her tooth to get it removed since she had a absess growing under the tooth. after the opperation she was dopie like someone is then she was fine for a few days then she started to twitch and wobble her pupils are verry large and one of her eyes is half closed shes in pain coz she wimperse when she twitches sometimes he hant walk strait and shes verry week