https://www.vetsurgeon.org/f/clinical-questions/3021/masticatory-myositis-and-atopica Any one have experience of using atopica to treat this? Middle aged verging on obese lab that is also hpothyroid, had a bout several yrs ago, one side, recovered well. Few months ago started losing muscle on other side and difficulty opening jaw,en-USTelligent Community 10