0Tweenyb 6 months ago If balding then probably mites. Put one drop of ivermectin on an ear once a month to prevent and once a week to cure. The seizures are caused usually because the itching is so painful. You can treat with roughly 0.4 ml of antihystamine like benedryl and maybe a dot of CBD oil on the ear and wrap the guinea pig in either a sock or cotton wool and then wrap with a crepe bandage to secure, change this daily. Make sure nails are clipped too.